Two PMICs from Rohm - Battery Management Chips

BD71L4LG-1GTR

Descriptions

 BD71L4L-1seriesishighly accurateand lowcurrent Over Voltage DetectorIC. It is an N-Channel Open-Drain output type with detection voltage of 4.05Vand hysteresis voltage of 30mV. Itismost suitable for monitoring the chargeof alithium-ion battery.

Features

High Accuracy DetectionVoltage

Low Current Consumption

ChannelOpen Drain Output

Wide Operating TemperatureRange

Very Small and Low Height Package

Package SSOP5 is similar to SOT-23-5 (JEDEC）

Applications

All electronics equipment with lithium-ionbatteryAll   electronics   equipment   that   needs   over-voltage protection

BD6041GUL-E2

Descriptions 

The BD6040 GUL , BD6041GUL charger protection IC developed for portable devices provides up to 28V of over voltage protection for charger ICs. Built-in circuits include overvoltage lockout,overcurrent limit, undervoltage protection, internal start up delay, and status flag.

 Features    

28V (max) overvoltage protection    

Low quiescent current (45μA)     

Low Ron (125mΩ) FET     

Overvoltage lockout (OVLO) circuit     

Undervoltage lockout (UVLO) circuit    

Internal 2msec start up delay     

Overcurrent protection circuit     

Compact package: VCSP50L1(1.6mm x 1.6mm, t=0.55mm) 

Applications 

Mobile phones, MP3 players, Digital Still Camera, PDA, IC recorder, Electronic Dictionary, Handheld Game, Game Controller, Camcorder, Bluetooth Headsets, etc