TPS37100
- SIL 3 Functional Safety-Compliant (Targeted for TPS37102)
- Documentation to aid IEC 61508 system design
- Systematic capability up to SIL 3 targeted
- Hardware capability up to SIL 3 targeted
- Functional Safety-Capable (TPS37100)
- Documentation available to aid functional safety system design
- Wide supply voltage range: 3V to 105V
- Low quiescent current: 5µA
- High threshold accuracy: 1.1% (maximum)
- -95V reverse polarity protection on SENSE
- 5µs fast UV/OV monitor for 24V/48V systems
- Integrated buffer (AOUT) for supply voltage measurement with enable pin
- Fixed and programmable release time delay
- Fixed and programmable sense time delay
- Open-drain, active-low output: OUT A and OUT B
- BIST and Latch available for TPS37102
The TPS37100 and TPS37102 are 105V input voltage supervisors with low quiescent current (5uA), fast detection time, and an integrated buffer for supply voltage measurements. This family of devices can be connected directly to voltages or battery rails up to 105V for continuous monitoring of over (OV) or under (UV) voltage conditions. Wide hysteresis voltage options are available to ignore false output deassertions that are be caused by battery voltage transients.
The TPS37100 and TPS37102 include two outputs (OUT A and OUT B) that are used as separate OV and UV fault monitors enabling system to take different action based on the fault that occurs. Additionally, the AOUT pin provides a scaled down SENSE pin voltage output and is intended to be sampled by ADC for supply voltage measurements. The user can choose the scaling factor desired based on the orderable part selected. The TPS37102 comes with BIST which is implemented at start-up to verify device health as well as an optional latching feature on OUT A to help the system bring into a safe state when critical faults occurs.
技術文件
| 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | TPS37100, TPS37102 105V, 5μA, Window, Overvoltage, or Undervoltage Supervisor with Integrated Buffer for Supply Voltage Measurements datasheet (Rev. A) | PDF | HTML | 2025年 9月 25日 |
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