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Along with fully tested reference designs for battery management and traction inverter systems, the company announced new analog circuits with advanced monitoring and protection features to help reduce carbon dioxide emissions and enable hybrid electric vehicles and electric vehicles to drive farther and longer.

The new battery management system (BMS) TIDA-01537 reference design is scalable across six to 96-series cell supervision circuits and features the company’s BQ79606A-Q1 precision battery monitor and balancer. The reference design implements the battery monitor in a daisy chain configuration to create a highly accurate and reliable system design for three- to 378-series, 12-V up to 1.5 kV lithium-ion battery packs.

The highly integrated BQ79606A-Q1 precision battery monitor IC accurately monitors temperature and voltage levels and helps maximize battery life and time on the road. In addition, says the company, it features safe-state communication that helps system designers meet requirements up to Automotive Safety Integrity Level D (ASIL D) – the highest functional safety goal defined by the ISO 26262 road vehicles standard.

To protect powertrain systems such as a 48-V starter generator from overheating, the company has introduced the TMP235-Q1 precision analog output temperature sensor. The low-power, low-quiescent-current (9-µA) device provides ±0.5°C typical and ±2.5°C maximum accuracy across the full operating temperature from -40°C to 150°C to help traction inverter systems react to temperature surges and apply appropriate thermal management techniques.

The company has also released the TIDA-020014 reference design demonstrating three types of IGBT/SiC bias-supply options for traction inverter power stages. Consisting of reverse-polarity protection, electric-transient clamping, and over- and under-voltage protection circuits, the design includes the new LM5180-Q1, which is a 100 V, 1 A synchronous step-down converter with a 10-µA typical standby quiescent current.

Pre-production samples are available now in the TI store.

Texas Instruments

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