Shenzhen Meiyuxin Technology Co., Ltd. supplies [Automotive Chip] BQ76PL455ATPFCRQ1 16-cell battery monitor with passive battery balancing function! ! !

Product Description:

The BQ76PL455ATPFCRQ1 device is an integrated 16-cell battery monitoring and protection device designed to meet the needs of high-reliability automotive applications. The integrated high-speed, differential, capacitively isolated communication interface allows up to sixteen bq76PL455A-Q1 devices to communicate with the host through a single high-speed Universal Asynchronous Receiver Transmitter (UART) interface.

The BQ76PL455ATPFCRQ1 monitors and detects a number of different fault conditions, including overvoltage, undervoltage, overtemperature, and communication faults. The device contains six GPIO ports and eight analog AUX ADC inputs for additional monitoring and programmable functions. In addition, it also has an auxiliary thermal shutdown function to further strengthen its own protection.

The BQ76PL455ATPFCRQ1 offers a variety of features to help customers meet functional safety standards

Product parameters:

Each device monitors and balances 6 to 16 cells

High-precision monitoring

14-bit high-performance analog-to-digital converter (ADC) with internal reference

Total conversion time for all cells 2.4ms (nominal)

Eight AUX inputs for temperature sensors and other sensors with an input voltage range of 0V to 5V

Internal Precision Reference

Integrated protector with independent Vref for overvoltage (OV) and undervoltage (UV) comparators with programmable VCELL setpoint

Designed for high system robustness

Up to 1Mb/s Stackable Isolated Differential UART

Up to 16 integrated circuits (ICs) daisy-chained using twisted pair wires

Passes the high current injection (BCI) test

Designed for reliable hot-swap performance

Passive equalization via external N-channel FET, active equalization via EMB1428Q/EMB1499Q

Helps customers meet functional safety standards (e.g. ISO26262)

Built-in self-test to verify defined internal functionality

Support open circuit detection

Has the following AEC-Q100 qualified results:

Device Temperature Grade 2: -40°C to 105°C ambient operating temperature range

Device Human Body Model (HBM) Electrostatic Discharge (ESD) Classification Level 2

Device Charged Device Model (CDM) ESD Classification Level C3

Application:

Electric and Hybrid Vehicles (EV, HEV, PHEV and Mild Hybrid)

48V System (Single Chip Solution)

Energy Storage Systems (ESS) and Uninterruptible Power Supplies (UPS)

Electric bike, Electric scooter