降压转换器

易于使用

独有的DMOS装配
及封装技术

先进的功率密度

节省布板面积

告别繁琐的设计工作

高度集成
可简化您的设计

MPS 提供了各种 DC/DC 降压解决方案，可直接通过 12V/24V 电池或负载点工作。请选择带低导通阻抗 FETs 的高功率密度集成转换器或带外部 FETs 的灵活控制器，以方便处理高电流要求。我们的解决方案可处理常见的汽车设计难题，如汽车抛负载耐压、EMI 限制和避开 AM 波段操作。

相关视频

从冷启动到负载突降：汽车瞬态入门

如何在恶劣的瞬态条件下实现灵活性和可靠性

参数显示栏状态	MPS库存	最小输入电压（V）	最大输入电压（V）	最大输出电流（A）	典型静态电流（mA）	反馈电压 (V)	最大开关频率（kHz）	共同特性	特性	控制模式	封装	等级	MPSafe	MPL	Product URL
重置表最小输入电压（V）最大输入电压（V）最大输出电流（A）典型静态电流（mA）反馈电压 (V) 最大开关频率（kHz）共同特性特性控制模式封装等级	从MPS官网购买	135 135	136 136	135 135	130 130	119 119	133 133	3.1V Cold Crank 42V Load Dump Tolerant Configurable Frequency COT Control for Seamless Transitions 双路输出 Enable Control External Clock Sync 外部软启动强制电流连续工作模式 FCCM (Adjustable via I2C) FCCM and AAM Mode Frequency Spread Spectrum Frequency Spread Spectrum Modulation Hiccup Short-Circuit Protection Internal Loop Compensation and Soft Start 内部软启动轻载效率 Light-Load Operation Low-Dropout (LDO) Mode OCP with Hiccup Mode Output OCP, OVP, and Thermal Shutdown Over-Current Protection (OCP) OVP/OCP/SCP 电源正常输出指示 Power Good Indication Power Good (PG) Indicator Power Good Output PWM Control Selectable AAM Mode Selectable AAM Mode or FCCM Selectable FCCM Selectable PSM/FCCM Short-Circuit Protection (SCP) Smart Power Good Output Soft Start Synchronous Synchronous Buck 同步模式同步整流过温关断保护 Wettable Flank QFN Option	9µA Quiescent Current 100% 占空比 100%占空比 180° 移相操作 AAM Mode AAM Mode Increases Efficiency under Light Loads 可调开关频率 Advanced Asynchronous Modulation (AAM) Mode 降压（Buck）输出放电 CCM Clock SYNC Output 可调开关频率 Configurable Input UVLO 逐周期过流保护 Cycle-by-Cycle Current Limiting Developed according to ASIL D Development Process to Avoid Systematic Failure 数字可调的 Discontinuous Conduction Mode (DCM) Dual-Channel Buck 使能 USB 使能控制外部频率同步外部软启动 USB 故障指示强制CCM或AAM FCCM (Adjustable via I2C) 定频固定输出可选固定输出电压固定输出电压选项 Flexible with I2C Interface Forced AAM Mode Forced AAM Mode or FCCM 强制电流连续工作模式 Frequency Dithering 频谱扩展 FSS for Low EMI Functional Safety Compliant Functional Safety System Design Capability Hardware Capability to ASIL B 打嗝模式打嗝过流保护（OCP） High Efficiency for Increased Battery Life and Improved Thermals High Performance for Improved Thermals I2C 接口 I2C/PMBus 接口 Increases Efficiency at Light Loads 输入过压保护 Integrated Input Capacitors Integrated, Low-Resistance HS-FET and LS-FET (5.25mΩ/3.35mΩ) 内部补偿模式 Internal Loop Compensation and Soft Start 内部软启动低压差模式线损补偿降负荷 Low-Dropout (LDO) Mode Low IQ Multi-Page One-Time Programmable (MOTP) Memory Multi-Phase Capability 过流保护打嗝型过流保护 Optimized for EMC/EMI Optimized for Low EMC/EMI 输出放电功能输出放电/软关断 Output Discharge/Soft Stop (Adjustable via the I2C) 输出线损补偿 Output OVP Output SCP 过流保护 Over-Temperature Protection (OTP) Over-Temperature Shutdown OVP with Hiccup Mode 降压（Buck）变换器并联能力 Passive Output Discharge PG Output PMBus/I2C Compliant Interface with PEC 电源正常指示打嗝型短路保护 Selectable AAM Mode or FCCM Selectable Forced PWM or Auto-PFM/PWM Mode 可选输出电压短路保护 Short-Circuit Protection (SCP) Short-Circuit Protection with Hiccup Mode Soft Start 软关断展频支持 CDP 模式握手协议支持 DCP 方式支持 USB Type-C 5V @ 3A DFP 模式 Synchronizable to an External Clock Targeted for ASIL D Systems 过温关断超低静态电流 USB 输出放电 VIN Under-Voltage Lockout (UVLO) VOUT Discharge during Output OVP and EN Shutdown VOUT Over-Voltage Protection (OVP) Zero-Delay PWM Control Zero-Delay PWM (ZDP) Control	电流控制模式 COT 迟滞峰值电流模式 ZDP Control Zero-Delay PWM	QFN-6L QFN-8 (1.5x2) QFN-8 (3x3) QFN-9 (2x3) QFN-9 (3x3) QFN-10 (3x3) QFN-11 (2x3) QFN-12 (2x3) QFN-12 (2.5x3) QFN-12 (3x2.5) QFN-12 (3x4) QFN-12L (3.5mmx3.5mm) QFN-13 (2.5x3) QFN-14 (2.5x3) QFN-14 (2.5mmx3.5mm) QFN-14 (3x3) QFN-14 (3x4) QFN-14 (4x4) QFN-15 (2.5x3.5) QFN-16 (3x3) QFN-16 (3x4) QFN-17 (3x4) QFN-18 (2x3) QFN-18 (2.5x3.5) QFN-18 (3x4) QFN-19 (3x5) QFN-20 (3x4) QFN-20 (4x4) QFN-21 (4x5) QFN-23 (4x5) QFN-25 (4x5) QFN-26 (3.5x4.5) QFN-26 (5x5) QFN-32 (5x5) QFN-34 (4x5) SOIC-8 EP SOT23-6L TQFN-23 (4x5) TQFN-32 (5x6) TSOT23-6 TSOT23-8 TSSOP-20EP TSSOP-16 TSSOP-16EP TSSOP-20F	目录工业级车规级	Is MPSafe	Has MPL	Product URL

MPQ4334-AEC1 预发布新品 MPSafe 36V, 0.5A to 4A, Low Quiescent Current, Synchronous Step-Down Converter, AEC-Q100 Qualified		3	36	4	0.02	0.8	2500	Frequency Spread Spectrum, Power Good Output, 过温关断保护	可选固定输出电压, 打嗝型过流保护, Optimized for Low EMC/EMI, Synchronizable to an External Clock	电流控制模式	QFN-12 (2x3), QFN-12 (3x4), QFN-14 (2.5mmx3.5mm)	车规级	1	0	https://www.monolithicpower.cn/cn/products/automotive-aecq-grade/switching-converters-and-controllers-aecq-grade/mpq4334-aec1.html
MPQ8883 预发布新品 45V、3A、高效数字校准同步降压变换器		3.5	45	3	0.01		2500		数字可调的, I2C 接口	电流控制模式	QFN-16 (3x3)	目录, 工业级, 车规级	1	0	https://www.monolithicpower.cn/cn/mpq8883.html
MPQ4324-AEC1 预发布新品 36V、0.5A 至 4A 峰值、低静态电流（I_Q）超紧凑同步降压变换器，符合 AEC-Q100 认证		3.3	36	4	0.02	0.8	2200	42V Load Dump Tolerant, Configurable Frequency, Frequency Spread Spectrum Modulation, Power Good Output	Advanced Asynchronous Modulation (AAM) Mode, 打嗝型过流保护	电流控制模式	QFN-12 (2x3), QFN-12 (3x4), QFN-14 (2.5mmx3.5mm)	车规级	1	0	https://www.monolithicpower.cn/cn/products/automotive-aecq-grade/switching-converters-and-controllers-aecq-grade/mpq4324-aec1.html
MPQ70240FS-AEC1 预发布新品 MPSafe 基于MPSafe^TM开发流程的21V、3W、4轨电源管理IC，具有3个降压变换器和1个LDO，适用于功能安全汽车 ADAS摄像头模块应用，符合 AEC-Q100认证		3.5	16		1		2200		Developed according to ASIL D Development Process to Avoid Systematic Failure, Hardware Capability to ASIL B		QFN-15 (2.5x3.5)	车规级	1	0	https://www.monolithicpower.cn/cn/products/automotive-aecq-grade/switching-converters-and-controllers-aecq-grade/mpq70240fs-aec1.html
MPQ70160FS-AEC1 预发布新品 MPSafe 基于MPSafe^TM开发流程的ASIL D级、6.5V、电源管理IC，集成6 个降压变换器（2路 4A、2路 3A 和2路 1A），适用于汽车 ADAS应用，符合 AEC-Q100认证		2.7	5.5	4			2000		Functional Safety Compliant, Multi-Page One-Time Programmable (MOTP) Memory, PMBus/I2C Compliant Interface with PEC, Targeted for ASIL D Systems		QFN-32 (5x5)	车规级	1	0	https://www.monolithicpower.cn/cn/products/automotive-aecq-grade/switching-converters-and-controllers-aecq-grade/mpq70160fs-aec1.html
MPQ4583-AEC1 预发布新品 90V、3.5A、9μA I_Q、同步降压 DC/DC 变换器，符合 AEC-Q100 认证		4.5	90	3.5	0.009	0.8	400	Internal Loop Compensation and Soft Start, Power Good Indication, Selectable PSM/FCCM	9µA Quiescent Current, Frequency Dithering, VOUT Discharge during Output OVP and EN Shutdown	电流控制模式	QFN-19 (3x5)	车规级	1	0	https://www.monolithicpower.cn/cn/products/automotive-aecq-grade/switching-converters-and-controllers-aecq-grade/mpq4583-aec1.html
MPQ2283-AEC1 预发布新品 6V、6A、可配置高频同步降压变换器，符合 AEC-Q100 认证		2.7	6	6			4000	Frequency Spread Spectrum, Power Good Indication	Discontinuous Conduction Mode (DCM), 强制电流连续工作模式, Output OVP, 过流保护, Short-Circuit Protection (SCP)	ZDP Control	QFN-18 (3x4)	车规级	1	0	https://www.monolithicpower.cn/cn/products/automotive-aecq-grade/switching-converters-and-controllers-aecq-grade/mpq2283-aec1.html
MPQ4372-AEC1 预发布新品 MPSafe 采用ZDP^TM控制的36V、6A 至 11A、低 EMI、同步降压变换器，符合 AEC-Q100 认证		3.3	36	11	0.0035	0.6	2500	Frequency Spread Spectrum, Low-Dropout (LDO) Mode, Power Good Output, 过温关断保护	Functional Safety System Design Capability, High Efficiency for Increased Battery Life and Improved Thermals, Optimized for Low EMC/EMI, Zero-Delay PWM (ZDP) Control	ZDP Control	QFN-23 (4x5), TQFN-23 (4x5)	车规级	1	0	https://www.monolithicpower.cn/cn/products/automotive-aecq-grade/switching-converters-and-controllers-aecq-grade/mpq4372-aec1.html
MPQ4385-AEC1 预发布新品 MPSafe 具有ZDP^TM的36V、25A、低 EMI、同步降压变换器，符合 AEC-Q100 认证		3.3	36	25		0.8	2500	Frequency Spread Spectrum Modulation, Power Good Output, 过温关断保护	Advanced Asynchronous Modulation (AAM) Mode, Functional Safety System Design Capability, Increases Efficiency at Light Loads, Integrated, Low-Resistance HS-FET and LS-FET (5.25mΩ/3.35mΩ)	ZDP Control	TQFN-32 (5x6)	车规级	1	0	https://www.monolithicpower.cn/cn/products/automotive-aecq-grade/switching-converters-and-controllers-aecq-grade/mpq4385-aec1.html
MPQ4326B-AEC1 预发布新品 MPSafe 36V、3A 至 7A、低静态电流、同步降压变换器、符合 AEC-Q100 认证		3.3	36	7	0.027	0.8	2500	42V Load Dump Tolerant, Configurable Frequency, Low-Dropout (LDO) Mode, Power Good Output	High Performance for Improved Thermals, 打嗝型过流保护, Optimized for EMC/EMI	电流控制模式	QFN-14 (4x4)	车规级	1	0	https://www.monolithicpower.cn/cn/products/automotive-aecq-grade/switching-converters-and-controllers-aecq-grade/mpq4326b-aec1.html
MPQ4589-AEC1 预发布新品 90V, 0.8A, 9μA I_Q、同步降压 DC/DC 变换器，符合 AEC-Q100 认证		4.5	90	0.8	0.009	0.8	400	Output OCP, OVP, and Thermal Shutdown, Power Good Indication, Selectable PSM/FCCM	9µA Quiescent Current, Frequency Dithering, Internal Loop Compensation and Soft Start, VOUT Discharge during Output OVP and EN Shutdown	电流控制模式	QFN-19 (3x5)	车规级	1	0	https://www.monolithicpower.cn/cn/products/automotive-aecq-grade/switching-converters-and-controllers-aecq-grade/mpq4589-aec1.html
MPQ2246-AEC1 新产品 6V、6A、频率可调的同步降压变换器、符合 AEC-Q100 认证	从MPS官网购买	2.7	6	6	0.042	0.606	2200	Power Good (PG) Indicator, 过温关断保护	逐周期过流保护, Selectable AAM Mode or FCCM, Short-Circuit Protection (SCP), VIN Under-Voltage Lockout (UVLO), VOUT Over-Voltage Protection (OVP)	电流控制模式	QFN-9 (3x3)	车规级	1	0	https://www.monolithicpower.cn/cn/products/automotive-aecq-grade/switching-converters-and-controllers-aecq-grade/mpq2246-aec1.html
MPQ2242-AEC1 新产品 6V、2A、频率可调的同步降压变换器、符合 AEC-Q100 认证	从MPS官网购买	2.7	6	2	0.042	0.606	2200	Power Good (PG) Indicator, 过温关断保护	逐周期过流保护, Selectable AAM Mode or FCCM, Short-Circuit Protection (SCP), VIN Under-Voltage Lockout (UVLO), VOUT Over-Voltage Protection (OVP)	电流控制模式	QFN-9 (2x3)	车规级	1	0	https://www.monolithicpower.cn/cn/products/automotive-aecq-grade/switching-converters-and-controllers-aecq-grade/mpq2242-aec1.html
MPQ2241-AEC1 新产品 6V、1A、频率可调的同步降压变换器、符合 AEC-Q100 认证	从MPS官网购买	2.7	6	1	0.042	0.606	2200	Power Good (PG) Indicator, 过温关断保护	逐周期过流保护, Selectable AAM Mode or FCCM, Short-Circuit Protection (SCP), VIN Under-Voltage Lockout (UVLO), VOUT Over-Voltage Protection (OVP)	电流控制模式	QFN-9 (2x3)	车规级	1	0	https://www.monolithicpower.cn/cn/products/automotive-aecq-grade/switching-converters-and-controllers-aecq-grade/mpq2241-aec1.html
MPQ4322C-AEC1 新产品具有 42V 负载突降容限的36V、2A、超紧凑同步降压变换器，符合 AEC-Q100 认证	从MPS官网购买	3.3	36	2	1.2	0.8	2500	Frequency Spread Spectrum Modulation, Power Good Output	强制电流连续工作模式, Low-Dropout (LDO) Mode, 打嗝型过流保护	电流控制模式	QFN-12 (2x3), QFN-12 (3x4), QFN-14 (2.5mmx3.5mm)	车规级	1	0	https://www.monolithicpower.cn/cn/products/automotive-aecq-grade/switching-converters-and-controllers-aecq-grade/mpq4322c-aec1.html
MPQ4340A-AEC1 新产品 MPSafe 36V、2A 至 6A、低 EMI、快速瞬态响应、可扩展、同步降压变换器，采用ZDP^TM并符合 AEC-Q100 认证	从MPS官网购买	3.3	36	6	0.003		2500	外部软启动, OCP with Hiccup Mode, Power Good Output	AAM Mode Increases Efficiency under Light Loads, 频谱扩展, Multi-Phase Capability, Zero-Delay PWM Control	Zero-Delay PWM	QFN-17 (3x4)	车规级	1	0	https://www.monolithicpower.cn/cn/products/automotive-aecq-grade/switching-converters-and-controllers-aecq-grade/mpq4340a-aec1.html
MPQ4371-AEC1 新产品 MPSafe 采用 ZDP^TM控制技术的 36V、6A 至 11A、低 EMI、同步降压变换器，符合 AEC-Q100 认证	从MPS官网购买	3.3	36	11	0.0035	0.6	2500	Frequency Spread Spectrum, 内部软启动, Low-Dropout (LDO) Mode, Power Good Output, 过温关断保护	Advanced Asynchronous Modulation (AAM) Mode, Zero-Delay PWM (ZDP) Control	ZDP Control	QFN-23 (4x5), TQFN-23 (4x5)	车规级	1	0	https://www.monolithicpower.cn/cn/products/automotive-aecq-grade/switching-converters-and-controllers-aecq-grade/mpq4371-aec1.html
MPQ2179A-AEC1 正在供货带电源正常指示和软启动功能的 6V、3A、2.4MHz 同步降压变换器，符合 AEC-Q100 认证	从MPS官网购买	2.5	6	3	0.021	0.6	2400	外部软启动, 电源正常输出指示	Forced AAM Mode, 打嗝型过流保护, 输出放电功能, 打嗝型短路保护	COT	QFN-8 (1.5x2)	车规级	1	0	https://www.monolithicpower.cn/cn/products/automotive-aecq-grade/switching-converters-and-controllers-aecq-grade/mpq2179a-aec1.html
MPQ2166B-AEC1 正在供货 6V、双路 2A/2A 或 3A/1A、低静态电流（I_Q）、同步降压变换器，集成了电源正常指示和软启动功能，符合 AEC-Q100 认证	从MPS官网购买	2.7	6	3	0.065	0.6	2290	外部软启动, Power Good Output, Selectable FCCM	过流保护, 短路保护, 过温关断	电流控制模式	QFN-18 (2.5x3.5)	车规级	1	0	https://www.monolithicpower.cn/cn/products/automotive-aecq-grade/switching-converters-and-controllers-aecq-grade/mpq2166b-aec1.html
MPQ4323M-AEC1 正在供货 42V 负载突降容限、3A、低静态电流(I_Q)、超紧凑型同步降压变换器，符合 AEC-Q100 认证	从MPS官网购买	3.3	36	3	0.02	0.8	2200	Light-Load Operation, PWM Control	AAM Mode, FSS for Low EMI, Low IQ, 电源正常指示	电流控制模式	QFN-12L (3.5mmx3.5mm)	车规级	1	0	https://www.monolithicpower.cn/cn/products/automotive-aecq-grade/switching-converters-and-controllers-aecq-grade/mpq4323m-aec1.html
MPQ4323-AEC1 正在供货 42V 负载突降容限、3A、低静态电流 (I_Q)、超紧凑型同步降压变换器，符合 AEC-Q100 认证	从MPS官网购买	3.3	36	3	0.02	0.8	2500	3.1V Cold Crank, 42V Load Dump Tolerant, Configurable Frequency, Frequency Spread Spectrum Modulation, Low-Dropout (LDO) Mode, Power Good Output	Advanced Asynchronous Modulation (AAM) Mode, 打嗝型过流保护	电流控制模式	QFN-12 (2x3), QFN-12 (3x4)	车规级	1	0	https://www.monolithicpower.cn/cn/products/automotive-aecq-grade/switching-converters-and-controllers-aecq-grade/mpq4323-aec1.html
MPQ8847A-AEC1 正在供货带I²C 接口控制的 6A、2.7V-6V、高效同步降压变换器，符合 AEC-Q100 认证	从MPS官网购买	2.7	6	6	0.285	0.6	2200	电源正常输出指示	过流保护, Over-Temperature Protection (OTP)	COT	QFN-14 (2.5x3)	车规级	1	0	https://www.monolithicpower.cn/cn/products/automotive-aecq-grade/switching-converters-and-controllers-aecq-grade/mpq8847a-aec1.html
MPQ4314-AEC1 正在供货 45V、4A、低 IQ、同步降压变换器，带频谱扩展功能，符合 AEC-Q100 认证	从MPS官网购买	3.3	45	4	0.018	0.815	1000	外部软启动, Frequency Spread Spectrum, Power Good Output	强制CCM或AAM, Forced AAM Mode or FCCM, Low-Dropout (LDO) Mode, 打嗝型过流保护	电流控制模式	QFN-20 (4x4)	车规级	1	0	https://www.monolithicpower.cn/cn/products/automotive-aecq-grade/switching-converters-and-controllers-aecq-grade/mpq4314-aec1.html
MPQ4312-AEC1 正在供货具有频谱扩展功能的 45V、2A、低 I_Q同步降压变换器，符合AEC-Q100认证	从MPS官网购买	3.3	45	2	0.018	0.815	1000	外部软启动, 电源正常输出指示, Selectable AAM Mode or FCCM	频谱扩展, 低压差模式	电流控制模式	QFN-20 (4x4)	车规级	1	0	https://www.monolithicpower.cn/cn/products/automotive-aecq-grade/switching-converters-and-controllers-aecq-grade/mpq4312-aec1.html
MPQ4360-AEC1 正在供货 40V、6A、低 I_Q同步降压变换器，符合AEC-Q100 认证	从MPS官网购买	3.3	40	6	0.02	0.815	2200	外部软启动, Power Good Output, Synchronous	打嗝过流保护（OCP）, Multi-Phase Capability	电流控制模式	QFN-20 (4x4)	车规级	1	0	https://www.monolithicpower.cn/cn/products/automotive-aecq-grade/switching-converters-and-controllers-aecq-grade/mpq4360-aec1.html
MPQ4317-AEC1 正在供货 45V、7A、低静态电流同步降压变换器，具备频谱扩展功能，符合 AEC-Q100 认证	从MPS官网购买	3.3	45	7	0.018	0.815	1000	外部软启动, Power Good Output, Synchronous	强制CCM或AAM, 频谱扩展, 打嗝过流保护（OCP）, 低压差模式	电流控制模式	QFN-20 (4x4)	车规级	1	0	https://www.monolithicpower.cn/cn/products/automotive-aecq-grade/switching-converters-and-controllers-aecq-grade/mpq4317-aec1.html
MPQ4316-AEC1 正在供货 45V、6A、低静态电流同步降压变换器，具有扩频功能，符合 AEC-Q100 认证	从MPS官网购买	3.3	45	6	0.018	0.815	1000	外部软启动, Power Good Output, 同步模式	强制CCM或AAM, 频谱扩展, 低压差模式, 打嗝型过流保护	电流控制模式	QFN-20 (4x4)	车规级	1	0	https://www.monolithicpower.cn/cn/products/automotive-aecq-grade/switching-converters-and-controllers-aecq-grade/mpq4316-aec1.html
MPQ2177A-AEC1 正在供货具有电源正常指示和软启动功能的 5.5V、1A、2.4MHz、同步降压变换器，符合 AEC-Q100 认证	从MPS官网购买	2.5	5.5	1	0.021	0.6	2400	外部软启动, 电源正常输出指示	Forced AAM Mode, 输出放电功能, OVP with Hiccup Mode, Short-Circuit Protection with Hiccup Mode	COT	QFN-8 (1.5x2)	车规级	1	0	https://www.monolithicpower.cn/cn/products/automotive-aecq-grade/switching-converters-and-controllers-aecq-grade/mpq2177a-aec1.html
MPQ4321-AEC1 正在供货 42V 负载突降容限、1A、超紧凑、低静态电流、同步降压变换器，符合 AEC-Q100 认证	从MPS官网购买	3.3	36	1	0.02	0.8	2500	3.1V Cold Crank, 42V Load Dump Tolerant, Configurable Frequency, Frequency Spread Spectrum Modulation, Low-Dropout (LDO) Mode, Power Good Output	AAM Mode, 打嗝过流保护（OCP）, 打嗝型过流保护	电流控制模式	QFN-12 (2x3), QFN-12 (3x4)	车规级	1	0	https://www.monolithicpower.cn/cn/products/automotive-aecq-grade/switching-converters-and-controllers-aecq-grade/mpq4321-aec1.html
MPQ4423C-AEC1 正在供货具有可选频率和频谱扩展功能的 36V、6A 同步降压变换器，符合 AEC-Q100 认证	从MPS官网购买	4	36	6	0.75	0.792	2200	External Clock Sync, 内部软启动, 轻载效率, OVP/OCP/SCP, Synchronous , Wettable Flank QFN Option	频谱扩展, 打嗝模式, Passive Output Discharge, Selectable Forced PWM or Auto-PFM/PWM Mode, 过温关断	电流控制模式	QFN-16 (3x4)	车规级	1	0	https://www.monolithicpower.cn/cn/products/automotive-aecq-grade/switching-converters-and-controllers-aecq-grade/mpq4423c-aec1.html
MPQ2178A-AEC1 正在供货具有电源正常指示和外部软启动功能的 5.5V、2A、2.4MHz、同步降压变换器，符合 AEC-Q100 认证	从MPS官网购买	2.5	5.5	2	0.021	0.6	2400	外部软启动, 电源正常输出指示	Output OVP, Short-Circuit Protection with Hiccup Mode	COT	QFN-8 (1.5x2)	车规级	1	0	https://www.monolithicpower.cn/cn/products/automotive-aecq-grade/switching-converters-and-controllers-aecq-grade/mpq2178a-aec1.html
MPQ2177-AEC1 正在供货具有电源正常指示和软启动功能的 5.5V、1A、2.4MHz、同步降压变换器，符合 AEC-Q100 认证	从MPS官网购买	2.5	5.5	1	0.46	0.6	2640	外部软启动, 电源正常输出指示	外部软启动, 输出放电功能	COT	QFN-8 (1.5x2)	车规级	1	0	https://www.monolithicpower.cn/cn/products/automotive-aecq-grade/switching-converters-and-controllers-aecq-grade/mpq2177-aec1.html
MPQ2180-AEC1 正在供货具有串行接口的 6A、2.7V 至 6V、高效率、同步降压变换器，符合 AEC-Q100 认证	从MPS官网购买	2.7	6	6	0.3	0.6	2200	内部软启动, Power Good Output, Selectable AAM Mode