bq76PL536-Q1 reference design circuit | lithium ion battery monitor application circuit

The bq76PL536-Q1 Li-Ion battery monitor and secondary protection IC are stackable 3 to 6-cell Li-Ion battery pack protectors and analog front ends. This article mainly introduces the bq76PL536-Q1 features, application range, reference design circuit and circuit analysis to help you shorten the design time.

bq76PL536-Q1 features: high-speed SPI for data communication; temperature range: -40 ° C to 105 ° C; overvoltage and undervoltage protection; over temperature protection

bq76PL536-Q1 Typical application range: electric vehicles and hybrid vehicles; electric bicycles and electric motorcycles; uninterruptible power supply systems (UPS); large battery systems

bq76PL536-Q1 reference design application circuit:

Figure 1bq76PL536-Q1 internal structure diagram

Thebq76PL536A-Q1 is a stackable three to six series cell lithium-ion battery pack protector and analog front end (AFE) that incorporates a precision analog-to-digital converter (ADC); independent cell voltage and temperature protection; cell balancing, and a Precision 5-V regulator to power user circuitry.

Figure 2bq76PL536-Q1 reference design

Thebq76PL536A-Q1 provides full protection (secondary protection) for overvoltage, undervoltage, and overtemperature conditions. When safety thresholds are exceeded, the bq76PL536A-Q1 sets the FAULT output. No external components are needed to configure or enable the protection features.

bq76PL536-Q1 Chinese data sheet: Click to download

More schematics and source code popular application circuit: click now