Power chip

BQ29412 Secondary Overvoltage Protection (4.45V) for 2-4 Series Cells Li-Ion/Li-Polymer Batteries

Voltage monitoring, monitoring threshold voltage = 2.93V

3.3V/3.3V dual fixed output, Iout=300mA, Vin=6V(Max)

Power 1W Input Voltage Range 85-305Vac\n100-400Vdc Output Voltage/Current (Vo/lo) 12V/0.083A Efficiency% 76

26V, Dual Channel, Bidirectional, 350kHz Current Sense Amplifier 10-WSON -40 to 125

TPS62420-Q1 Automotive Dual 600-mA and 1000-mA, 2.25-MHz Step-Down Converter with 1-Wire Interface

The power supply voltage of the reset chip is 4.8V to 5.5V, the reset is active at low level, the number of monitored voltages: 1, with 200ms reset delay output, watchdog function of delay reset, power failure monitoring, power failure detection, manual reset Input, power-on detection and other functions, reset threshold voltage 4.4V, watchdog delay time 1.6S, built-in 1.25V comparator, can be used to monitor the low voltage of the battery, can be used in computers, controllers, battery-powered equipment, portable equipment and wireless communication equipment.

1. Low standby current (less than 0.1uA)\n2. Operating voltage range: 2V-8.6V\n3. Maximum continuous output current: 1.2A(VDD=6.5V)\n4. Maximum peak output current: 2.5A(VDD= 6.5V)\n5. Low on-resistance\n— 0.5 ohm internal resistance at 1200 mA output current\n0.35 ohm internal resistance at 200 mA output current\nLogic input INA\\INB integrates 15K pull-down to ground resistance

7V, 300mA, ultra-low power consumption 1uA CMOS LDO

-