TPS22922系列介绍资料

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TPS22922

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具有输出放电功能的 3.6V、2A、14mΩ、35nA 泄漏负载开关

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TPS22921, TPS22922, and TPS22922B are small, low r_ON 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.

Integrated P-Channel Load Switch
Input Voltage: 0.9 V to 3.6 V
ON-Resistance (Typical Values)
- r_ON = 14 mΩ at V_IN = 3.6 V
- r_ON = 20 mΩ at V_IN = 2.5 V
- r_ON = 33 mΩ at V_IN = 1.8 V
- r_ON = 67 mΩ at V_IN = 1.2 V
- r_ON = 116 mΩ at V_IN = 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
- t_R = 30 µs at V_IN = 1.8 V
  (TPS22921/2)
- t_R = 200 µs at V_IN = 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)

Number of channels	1
Vin (min) (V)	0.9
Vin (max) (V)	3.6
Imax (A)	2
Ron (typ) (mΩ)	16
Shutdown current (ISD) (typ) (µA)	0.13
Quiescent current (Iq) (typ) (µA)	0.2
Soft start	Fixed Rise Time
Current limit type	None
Features	Quick output discharge
Rating	Catalog
Operating temperature range (°C)	-40 to 85
FET	Internal
Device type	Load switches
Function	Inrush current control

DSBGA (YFP)	6	1.4000000000000001 mm² 1 x 1.4000000000000001
DSBGA (YZP)	6	2.1875 mm² 1.75 x 1.25

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TPS22922

具有输出放电功能的 3.6V、2A、14mΩ、35nA 泄漏负载开关

4000-306-326