TPS25946xx 2.7-V–23-V, 5.5-A, 28-mΩ eFuse with Bidirectional Current Support

1 Features

Wide operating input voltage range: 2.7 V to 23 V
- 28-V absolute maximum
Integrated back-to-back FETs with low on-resistance: R_ON = 28.3 mΩ (typ.)
- Bi-directional current flow during ON state
- Reverse current blocking during OFF state
Fast overvoltage protection
- Adjustable Overvoltage Lockout (OVLO) with 1.2-μs (typ.) response time
Overcurrent protection in forward direction with load current monitor output (ILM)
- Active current limit response
- Adjustable threshold (I_LIM): 0.5 A to 6 A
  - ±10% accuracy for I_LIM > 1 A
- Adjustable transient blanking timer (ITIMER) to allow peak currents up to 2 × I_LIM
- Output load current monitor accuracy: ±6% (I_OUT ≥ 1 A)
Fast-trip response for short-circuit protection on OUT pin
- 500-ns (typ.) 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 indication options:
- Power Good indication (PG) with adjustable threshold (PGTH) or
- Supply Good (SPLYGD) and Fault (FLT) indications
UL 2367 recognition
- File No. E339631
- R_ILM ≥ 549 Ω
IEC 62368-1 CB certified
Small footprint: QFN 2 mm × 2 mm, 0.45-mm pitch