TPS22922 - 具有快速输出放电功能的 3.6V，2A，14mΩ 负载开关

TPS22922是TI德州仪器公司的一款配电与蓄电产品，TPS22922是具有快速输出放电功能的 3.6V，2A，14mΩ 负载开关，本站介绍了TPS22922的封装应用图解、特点和优点、功能等，并给出了与TPS22922相关的TI元器件型号供参考。

TPS22922 - 具有快速输出放电功能的 3.6V，2A，14mΩ 负载开关 - 配电与蓄电 - 集成负载开关 - 德州仪器

产品特性

Integrated P-Channel Load Switch
Input Voltage: 0.9 V to 3.6 V
ON-Resistance (Typical Values)
- rON = 14 mΩ at VIN = 3.6 V
- rON = 20 mΩ at VIN = 2.5 V
- rON = 33 mΩ at VIN = 1.8 V
- rON = 67 mΩ at VIN = 1.2 V
- rON = 116 mΩ at VIN = 1.0 V
2-A Maximum Continuous Switch Current
Quiescent Current:
- Typical 78 nA at 1.8 V
Shutdown Current:
- Typical 35 nA at 1.8 V
Low Threshold Control Input Enable the use of 1.2 V, 1.8 V, 2.5 V, or 3.3 V Logic
Controlled Slew Rate to Avoid Inrush Currents
- tR = 30 μs at VIN = 1.8 V (TPS22921/2)
- tR = 200 μs at VIN = 1.8 V (TPS22922B)
Quick Output Discharge (TPS22922/2B)
ESD Performance Tested Per JESD 22
- 3000-V Human Body Model (A114-B, Class II)
- 1000-V Charged-Device Model (C101)
Six Terminal Wafer-Chip-Scale DSBGA Package (nominal dimensions shown - see Mechanical, Packaging, and Orderable Information for details)
- 0.9-mm × 1.4-mm, 0.5-mm Pitch, 0.5 mm Height (YZP)
- 0.9-mm × 1.4-mm, 0.5-mm Pitch, 0.625 mm Height (YZT)
- 0.8-mm × 1.2-mm, 0.4-mm Pitch, 0.5-mm Height (YFP)

产品应用

PDAs
Cell Phones
GPS Devices
MP3 Players
Peripheral Ports
Portable Media Players
RF Modules

产品说明

TPS22921, TPS22922, and TPS22922B are small, low rON load switches with controlled turnon. The TPS22921/2/2B contains a P-channel MOSFET that can operate over an input voltage range of 0.9 V to 3.6 V. The switch is controlled by an on/off input (ON), which can interface directly with low-voltage control signals. In TPS22922 and in TPS22922B, a 65-Ω on-chip load resistor is added for output quick discharge when the switch is turned off. The rise time (slew rate) of the device is internally controlled in order to avoid inrush current: TPS22921 and TPS22922 feature a 30-μs rise time, whereas TPS22922B is 200 μs.

TPS22921, TPS22922, and TPS22922B feature low quiescent and shutdown currents and are available in space-saving 6-pin wafer-chip-scale packages DSBGA (WCSP: YZP and YZT with 0.5-mm pitch and YFP with 0.4-mm pitch) which make them ideal for portable electronics. The devices are 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)
TPS22921(1)	YZT	0.9 mm × 1.4 mm
	YZP	0.9 mm × 1.4 mm
	YFP	0.8 mm × 1.2 mm
TPS22922 TPS22922B	YZP	0.9 mm × 1.4 mm
TPS22922 TPS22922B	YFP	0.8 mm × 1.2 mm

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