TPS2041B-Q1 - 汽车类单通道限流配电开关

TPS2041B-Q1是TI德州仪器公司的一款固定限流开关产品，TPS2041B-Q1是汽车类单通道限流配电开关，本站介绍了TPS2041B-Q1的封装应用图解、特点和优点、功能等，并给出了与TPS2041B-Q1相关的TI元器件型号供参考。

TPS2041B-Q1 - 汽车类单通道限流配电开关 - 固定限流开关 - USB电源和充电端口控制器 - 德州仪器

产品描述

The TPS204xB/TPS205xB power-distribution switches are intended for applications where heavy capacitive loads and short circuits are likely to be encountered. These devices incorporate 70-mΩ N-channel MOSFET power switches for power-distribution systems that require multiple power switches in a single package. Each switch is controlled by a logic enable input. Gate drive is provided by an internal charge pump designed to control the power-switch rise times and fall times to minimize current surges during switching. The charge pump requires no external components and allows operation from supplies as low as 2.7 V.

When the output load exceeds the current-limit threshold or a short is present, the device limits the output current to a safe level by switching into a constant-current mode, pulling the overcurrent (OCx) logic output low. When continuous heavy overloads and short circuits increase the power dissipation in the switch, causing the junction temperature to rise, a thermal protection circuit shuts off the switch to prevent damage. Recovery from a thermal shutdown is automatic once the device has cooled sufficiently. Internal circuitry ensures that the switch remains off until valid input voltage is present. This power-distribution switch is designed to set current limit at 1A (typ).

产品特性

Qualified for Automotive Applications
70-mΩ High-Side MOSFET
500-mA Continuous Current
Thermal and Short-Circuit Protection
Accurate Current Limit: 0.75 A (Min), 1.25 A (Max)
Operating Range: 2.7 V to 5.5 V
0.6-ms Typical Rise Time
Undervoltage Lockout
Deglitched Fault Report (OC)
No OC Glitch During Power Up
Maximum Standby Supply Current: 1µA (Single, Dual) or 2µA (Triple, Quad)
Bidirectional Switch
Junction Temperature Range: –40°C to 125°C
ESD Protection Level Per AEC-Q100 Classification
UL Recognized, File Number E169910
APPLICATIONS
- Heavy Capacitive Loads
- Short-Circuit Protection

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