The automotive grade ISL78610 12-cell battery pack monitor can be used as a stand-alone battery monitor or as a redundant back-up device in an ASIL compliant system. It supervises up to 12 series connected cells and features cell voltage and temperature monitoring along with system diagnostics. The ISL78610 communicates to a host microcontroller with an SPI interface and to other ISL78610 devices using a robust, proprietary, two-wire daisy chain system. The ISL78610 is offered in a 64 Ld TQFP package and is specified for operation at a temperature range of -40°C to +105°C.


  • Up to 12-cell voltage monitors with support for Li-ion CoO2, Li-ion Mn2O4, and Li-ion FePO4 chemistries
  • Cell voltage measurement accuracy ±10mV
  • 13-bit cell voltage measurement
  • 14-bit pack voltage and temperature measurements
  • Cell voltage scan rate of 19.5μs per cell (234μs to scan 12 cells)
  • Internal and external temperature monitoring
  • Up to four external temperature inputs
  • Robust daisy chain communications system
  • Integrated system diagnostics for all key internal functions
  • Integrated watchdog shuts down device if communication is lost
  • 2Mbps SPI
  • AEC-Q100 qualified

Product Options

Part Number Part Status Pkg. Type Carrier Type MOQ Buy Sample
Active TQFP Tray 160
Active TQFP Reel 1000


Title language Type Format File Size Date
Datasheets & Errata
ISL78610 Datasheet Datasheet PDF 1.79 MB
User Guides & Manuals
ISL78610EVKIT1Z User Guide Manual PDF 6.47 MB
Application Notes & White Papers
AN1975: Use of Optocouplers in Battery Management Systems Application Note PDF 389 KB
AN1681: Grounding Techniques Application Note PDF 509 KB
AN1684: Nonideality of Ground Application Note PDF 397 KB
Putting Safety into Li-ion Battery Packs 简体中文 White Paper PDF 451 KB
Battery Management System Tutorial 简体中文 White Paper PDF 451 KB
PCN19003 - Product Improvement - Design Change for the listed Renesas ISL78600 and ISL78610 Products Product Change Notice PDF 102 KB
Analog ICs Brochure 日本語 Brochure PDF 4.20 MB
Industrial Power Management Brochure ( R16CL0001EJ0200 ) 日本語 Brochure PDF 3.13 MB
Implementing Inter-Module Communications in EV Battery Systems Brochure PDF 354 KB
Optimizing Battery Accuracy for EVs and HEVs Brochure PDF 400 KB
PA18010 - Datasheet specification change for Listed Renesas ISL78600* and ISL78610* products Product Advisory PDF 411 KB


Title language Type Format File Size Date
BMS Installer Software EXE 2.85 MB

Boards & Kits

Part Number Title Type Company
ISL78610EVKIT1Z Multi-Cell Li-Ion Battery Monitor Evaluation Kit Evaluation Renesas