Around the intelligent control of automobiles, especially the power requirements of automotive communication and automotive infotainment systems, Xiwei Microelectronics has launched 38V Vin (Max), 5A power management uPMU chip HL8001.
The chip meets the reliability and electromagnetic compatibility requirements of power chips in the harsh environment of automobiles, and achieves high efficiency, high integration, and adjustable power management. With the HL8001 power management scheme, the value and size of peripheral components can be greatly reduced, the PCB area of ​​the power supply module in the solution can be reduced, and the overall BOM cost of the customer can be greatly reduced.
First, the basic specifications of HL8001 are as follows:
Input voltage: 7.5V~32V, 38V Vin Max
l Channel DCDC:
5V or 3.3V, (5V version 4.8-5.3V, step size 0.1V adjustable)
5A Max, transient up to 8A/50ms
2.4MHz synchronous buck, 1uH inductor
InstantDuty Cycle technology delivers industry-leading load and power transient response performance
PFM/PWM automatic switching
2-channel LDO:
5V/100mA and 3.3V/100mA
Achieve industry-leading load and power transient response performance
4-channel maximum 40V input analog voltage detection with Schmidt
4-bit ADC for analog-to-digital conversion of input transient voltage values: 1V step size
I2C communication interface
Application: Car infotainment system, car fast charge
Second, HL8001 application circuit schematic
Barrier Terminal Blocks,Screw Barrier Terminal Block Connector,Pcb Barrier Terminal Blocks,7.62Mm Pitch Pcb Barrier Connector
Shenzhen Hongyian Electronics Co., Ltd. , https://www.hongyiancon.com