TPS2061 单路 1A 限流配电开关 | 德州仪器 TI.com.cn

TPS2061
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单路 1A 限流配电开关

单路 1A 限流配电开关 - TPS2061
数据表
 

描述

The TPS206x power-distribution switches are intended for applications where heavy capacitive loads and short-circuits are likely to be encountered. This device incorporates 70-m 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 1.5 A typically.

特性

  • 70-m High-Side MOSFET
  • 1-A Continuous Current
  • Thermal and Short-Circuit Protection
  • Accurate Current Limit (1.1 A min, 1.9 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
  • 1-µA Maximum Standby Supply Current
  • Bidirectional Switch
  • Ambient Temperature Range: -40°C to 85°C
  • Built-in Soft-Start
  • UL Listed - File No. E169910
  • APPLICATIONS
    • Heavy Capacitive Loads
    • Short-Circuit Protections

参数

与其它产品相比 USB电源开关和充电端口控制器 邮件 下载到电子表格中
Part number 立即下单 Vin (Min) (V) Vin (Max) (V) Continuous current (Max) (A) Current limit (A) Enable Number of switches Rating
TPS2061 立即下单 2.7     5.5     1     1.5     Active Low     1     Catalog    
TPS2062 立即下单 2.7     5.5     1     1.5     Active Low     2     Catalog    
TPS2063 立即下单 2.7     5.5     1     1.5     Active Low     3     Catalog    
TPS2065 立即下单 2.7     5.5     1     1.5     Active High     1     Catalog    
TPS2066 立即下单 2.7     5.5     1     1.5     Active High     2     Catalog    
TPS2067 立即下单 2.7     5.5     1     1.5     Active High     3     Catalog