TPS22920 - 具有快速输出放电功能的 3.6V，4A，5.3mΩ 负载开关

TPS22920是TI德州仪器公司的一款配电与蓄电产品，TPS22920是具有快速输出放电功能的 3.6V，4A，5.3mΩ 负载开关，本站介绍了TPS22920的封装应用图解、特点和优点、功能等，并给出了与TPS22920相关的TI元器件型号供参考。

TPS22920 - 具有快速输出放电功能的 3.6V，4A，5.3mΩ 负载开关 - 配电与蓄电 - 集成负载开关 - 德州仪器

产品特性

Input Voltage Range: 0.75 V to 3.6 V
Integrated Load Switch
Integrated Pass-FET rDSON = 2 mΩ (Typ) at 3.6 V
Typical ON-Resistance
- rON = 5.3 mΩ at VIN = 3.6 V
- rON = 5.4 mΩ at VIN = 2.5 V
- rON = 5.5 mΩ at VIN = 1.8 V
- rON = 5.8 mΩ at VIN = 1.2 V
- rON = 6.1 mΩ at VIN = 1.05 V
- rON = 7.3 mΩ at VIN = 0.75 V
CSP-8 Package 0.9 mm × 1.9 mm, 0.5 mm Pitch
4-A Maximum Continuous Switch Current
Shutdown Current 5.5-µA Max
ON-Logic Available in Both Active High/Low:
- TPS22920 is Active High
- TPS22920L is Active Low
Low Threshold Control Input
Controlled Slew-Rate to Avoid Inrush Current
Quick Output Discharge Resistor
ESD Performance Tested Per JESD 22
- 4000-V Human-Body Model (A114-B, Class II)
- 1000-V Charged-Device Model (C101)

产品应用

Notebook / Netbook Computer
Tablet PC
PDAs / Smartphones
GPS Navigation Devices
MP3 Players

产品说明

The TPS22920x is a small, space-saving load switch with controlled turn on to reduce inrush current. The device contains a N-channel MOSFET that can operate over an input voltage range of 0.75 V to 3.6 V and switch currents up to 4 A. An integrated charge pump biases the NMOS switch in order to achieve a minimum switch ON resistance (rON). The switch is controlled by an on/off input (ON), which is capable of interfacing directly with low-voltage control signals.

The TPS22920x has a 1250-Ω on-chip resistor for quick output discharge when the switch is turned off which insures that the output is not left floating.

The TPS22920x has an internally controlled rise time in order to reduce inrush current.

The TPS22920x is available in an ultra-small, space- saving 8-pin CSP package and is characterized for operation over the free-air temperature range of –40°C to 85°C.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
TPS22920x	DSBGA (8)	1.90 mm x 0.90 mm

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