TPS2559-Q1 Texas instruments

TPS2559-Q1

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TPS2559-Q1

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Описание

The TPS2559-Q1 power-distribution switch is intended for applications where a low resistance, precision current limit switch is required or heavy capacitive loads are encountered. The TPS2559-Q1 provides up to 5.5 A of continuous load current with a precise current limit set by a single resistor to ground. Output current is maintained at a safe level by switching into a constant-current mode when the output load exceeds the current-limit threshold. During overload events the output current is limited to the level set by R(ILIM). If a persistent overload occurs, the device goes into thermal shutoff to prevent damage to the TPS2559-Q1. The power-switch rise and fall times are controlled to minimize current surges during turn on or off. The FAULT logic output asserts low during overcurrent or overtemperature conditions.

Qualified for Automotive Applications AEC-Q100
Qualified With the Following Results:
- Device HBM ESD Classification Level H2
- Device CDM ESD Classification Level C5
2.5 to 6.5 V Operating Range
Adjustable 1.2 to 4.7 A I_(LIMIT) (±4.7% at 4.7 A)
3.5 µs Short Circuit Shutoff (Typical)
13-mΩ High-Side MOSFET
2-µA Maximum Standby Supply Current
Built-in Soft-Start
Reverse Current Blocking when Disabled
8 kV / 15 kV System-Level ESD Capable
10-Pin SON (3-mm × 3-mm) Package with
Wettable Flanks

Product type	Adjustable current limit, Power switch
Vin (min) (V)	2.5
Vin (max) (V)	6.5
Continuous current (max) (A)	5.5
Current limit (A)	1.2 to 4.7
Operating temperature range (°C)	-40 to 125
Enable	Active High
Number of switches	1
Current limit accuracy at 1 A	0.07
Rating	Automotive