TPS2597xx 2.7 V–23 V, 7-A, 9.8-mΩ eFuse With Accurate Current Monitor and Transient Overcurrent Blanking

1 Features

Wide operating input voltage range: 2.7 V to 23 V
- 28-V absolute maximum
Integrated FET with low on-resistance: R_ON = 9.8 mΩ (typ.)
Fast overvoltage protection
- Overvoltage clamp (OVC) with pin-selectable threshold (3.89 V, 5.76 V, 13.88 V) and 5-μs (typical) response time or
- Adjustable overvoltage lockout (OVLO) with 1.2-μs (typical) response time
Overcurrent protection with load current monitor output (ILM)
- Active current limit or circuit-breaker options
- Adjustable threshold (I_LIM) 0.87 A – 7.7 A
  - ±10% accuracy for I_LIM > 1.74 A
- Adjustable transient blanking timer (ITIMER) to allow peak currents up to 2 × I_LIM
- Output load current monitor accuracy: ±8% (max)
Fast-trip response for short-circuit protection
- 550-ns (typical) response time
- Adjustable (2 × I_LIM) and fixed thresholds
Active high enable input with adjustable undervoltage lockout threshold (UVLO)
Adjustable output slew rate control (dVdt)
Overtemperature protection
Digital outputs
- Fault indication (FLT) or
- Power-Good indication (PG) with adjustable threshold (PGTH)
UL 2367 recognition
- File No. E339631
- R_ILM ≥ 750 Ω
IEC 62368-1 CB certified
Small footprint: QFN 2 mm × 2 mm, 0.45-mm pitch