Li-ion Battery Monitor Chipset
The TB9141FG and TMPM358FDTFG Li-ion battery monitor chipset detects battery levels, performs cell balancing (equalizes battery levels) and detects abnormal battery status.
The TB9141FG monitors up to 16-cells for automotive applications and is a key requirement for any HEV architecture. Its integrated design reduces the number of parts in a battery monitoring system contributing to the development of smaller and simpler systems. The TMPM358FDTFG microcontroller, built around the ARM®Cortex™-M3 CPU core, includes numerous peripheral functions and is compliant with safety standards (IEC61508 / ISO262621).
TB9141FG Battery Monitor IC
- The device uses a differential configuration in a daisy chain communication and is able to communicate even in a noisy environment.
- The TB9141FG incorporates cell balance switches for each cell and is able to measure battery voltage while cell balancing.
- The TB9141FG uses a 96V process and realizes 16-cell li-ion battery monitoring with a single IC.
- The TB9141FG incorporates many self-test functions for use in ISO26262-compliant systems.
TMPM358FDTFG Microcontroller
- The TMPM358FDTFG incorporates a backup power supply for 16-bit prescale counter and 32-bit up counter. The backup power supply is also used for retaining stand-by SRAM data, which contains battery parameters.
- ECC is incorporated for securing RAM data, including backup RAM.
- The TMPM358FDTFG incorporates many self-test functions for use in ISO26262 compliant systems.
- Software libraries will be developed under the ISO26262 certified software development process.
