品牌芯源MPS
产品电源DCDC
功能升压 降压 升降压
功能2电机驱动
功能3车规电子
Product Families
MV Buck: 18V/1-5A; 18V/6-30A; 24V/1-12A;
HV Buck: 28V-100V
E-Fuse / Load Switch
LDO
LNB
DC-DC PMIC Products
Supervisory
Half-Bridge Driver
DC-DC LED Driver
Signal Isolator
MP1601N – 1A, Sync, Step-Down Switcher
FEATURES
• Wide 2.5V to 5.5V Operating Input Range
• Output Adjustable from 0.6V
• Up to 1A Output Current
• Low IQ: 20μA • 1.2MHz Switching Frequency
• EN for Power Sequencing
• 1% FB Accuracy
• COT control offers fast transient response
• Duty On
• Output Discharge
• Short-Circuit Protection with Hiccup Mode
Available in a SOT563 Package
APPLICATIONS
• Wireless/Networking Cards
• Portable and Mobile Devices
• Battery-Powered Devices
• Low-Voltage I/O System Power
MPQ7908/28 - 18V, 4 Rail Power Management IC with Safety Monitoring
Key FEATURES
• 3 Synchronous Buck Regulators
− 2x 600mA
− 1x 1A
• 1 LDO Rail (200mA)
• Integrated safety functions (for MPQ70240FS only)
Analog built in self-test
Memory/OTP CRC check
Reference monitor
• Rich Protections
OCP/SCP, Vo OVP&UVP, Thermal warning/shutdown
• Symmetric input cap for better EMI
• PMBus/I2C Compliant interface with PEC to program
Dynamic adjustment Vo
Adjustable on/off delay, soft start time
Flexible PG indicator configuration
Light load mode selection
Configurable frequency spread spectrum for better EMI KEY SPECS
Input Voltage 3.5V – 18V
Output Current 600mA, 600mA, 1A, 200mA
Switching Freq. 2.2MHz / 3.3MHz
Package QFN-15 (2.5mmx3.5mm),
Wettable flank
MPQ2177/78/79, 5.5V Sync 3/2/1A Buck
Features
Wide 2.5V to 5.5V Operating Input Range
Peak 3/2/1A Continuous Current
2.4MHz Switching Frequency
60/35mΩ Low RDS(ON) Internal Power MOSFETs
FCCM
Power Good (PG) Indicator
External Soft-Start selectable
Duty On
Output Discharge
Tj 150C
Fully Protection include OVP/OTP
Short-Circuit Protection with Hiccup Mode
Available in a QFN-8 (1.5mmx2mm)Package
Available in AEC-Q100 Grade 1
36V, 3A, Low Quiescent Current Synchronous Step Down Converter
Features
• Designed for Automotive Applications:
• Survives 42V Load Dump
• Supports 3.1V Cold Crank
• Continuous Output Current 0.5A-3A
• Continuous Operation Up to 30V
• Junction Temperature Operation from -40°C to +150°C
(Absolute Maximum)
• Increases Battery Life:
• 1μA Shutdown Supply Current
• 20μA Sleep Mode Quiescent Current
• Advanced Asynchronous Mode (AAM) Increases
Efficiency under Light Loads
• High Performance for Improved Thermals:
• Integrated 70mΩ High-Side and 50mΩ Low-Side
MOSFETs
• 65ns Minimum On Time and 50ns Minimum Off Time
• Optimized for EMC/EMI:
• Frequency Spread Spectrum Modulation
• Symmetric VIN Pinout
• CISPR25 Class 5 Compliant
• 350kHz to 2.5MHz Configurable Switching Frequency
• MeshConnect™ Flip-Chip Package
• Available in a QFN-12 (2mmx3mm)
• Package or a QFN-12 (3mmx4mm)
MP6551:Dual Half-Bridge Driver • Internal Dual ½-H-Bridge Driver • 2.5V - 14V Supply Voltage Range • 5A Continuous Output Current • Internal Lossless Current Measurement • Slew Rate Control • Individual Control Inputs Allow Use as a High-side, Low-side, or ½-H-bridge Driver • MOSFET On-Resistance: 30mohm / FET • Overcurrent, Short-Circuit, Overtemperature protection • Undervoltage lockout • Small 2.5mm x 3mm QFN package • DC Motor Drivers • Mini Drones • Toys
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