Ultra Low Power Reference Design for Secondary Protection for Over/Under Temperature Conditions
Description
This reference design implements a secondary thermal monitoring solution for large scale battery packs. Many industry guidelines require the secondary temperature system to remain powered and operational in the event that the primary power supply is lost. This design is capable of continuing operation in a low power state by utilizing low power: factory preset thermal trip points: on a super capacitor powered backup rail. The solution ensure that any over or under temperature event can be captured and dealt with even when the main system controller's power is unavailable: increasing the safe operating window of the total system.
Features
- Ability to provide thermal monitoring and protection during normal operation or when the primary circuit has lost powerUltra-low power TMP303 uses just 5µA max per deviceIntegrated backup power source via a SuperCap and chargerSatisfy primary and secondary protection requirements with interface for TI cell supervisors for charge controlFactory programmable over/under temperature trip points with hysteresis
Applications
Product Categories
- Power management