Renesas provides an entire range of battery management systems from input over voltage protection (OVP) to multi-cell balancing.
Renesas' chargers address the needs of handheld devices, mobile internet devices (MIDs), laptops, power tools, and many others. This is accomplished with fully integrated solutions for compact applications and with charge controllers for higher power applications.
The ISL94202 is a Li-ion battery monitor IC that supports from three to eight series connected cells. It provides complete battery monitoring and pack control.
The ISL78693 3.6V single-cell battery charger extends the life of lithium iron phosphate (LiFePO4) batteries used in automotive emergency call (eCall) systems.
Industrial & Consumer BMS
Renesas' Li-ion battery pack monitoring ICs are designed to meet the reliability and performance requirements of portable and battery powered applications such as consumer products, home appliances, battery backup, and e-bikes.
|Cells Supported||3 to 8||3 to 8||4 to 6||6 to 12|
|Pack Voltage (V)||4 to 36||4 to 36||8 to 26.4||6 to 60|
|Current Sense||High Side||High Side||Low Side||No|
|Arrangement||One Path||Two Path||Both||N/A|
|Location||High Side||High Side||Low Side||N/A|
|Supply Current (Typ)||Normal (µA)||348||348||850||3310|
Automotive Multi-cell BMS
Renesas' automotive grade Li-ion BMS is designed to meet the performance requirements of next generation hybrid electric vehicle (HEV), plug-in hybrid electric vehicle (PHEV) and electric vehicle (EV) applications.
|Connected Li-ion Cells (max)||12||12|
|Daisy Chain # of Devices||14||14|
|VBAT Measurement Accuracy||±100mV||±100mV|
|Integrated System Diagnostic Functions||Yes||Yes|
|Package Type||64 Ld TQFP||64 Ld TQFP|
|Temp Range||-40 °C to 105 °C||-40 °C to 105 °C|
|Technical Highlights||Li-ion battery pack manager||Li-ion battery pack monitor|