TPS22946YZPR
Active5.5-V, 0.15-A, 400-MΩ LOAD SWITCH WITH SELECTABLE CURRENT LIMIT
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TPS22946YZPR
Active5.5-V, 0.15-A, 400-MΩ LOAD SWITCH WITH SELECTABLE CURRENT LIMIT
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Technical Specifications
Parameters and characteristics for this part
| Specification | TPS22946YZPR |
|---|---|
| Fault Protection | Over Temperature, Current Limiting (Fixed) |
| Features | Auto Restart |
| Input Type | Non-Inverting |
| Interface | On/Off |
| Mounting Type | Surface Mount |
| Number of Outputs | 1 |
| Operating Temperature [Max] | 125 ¯C |
| Operating Temperature [Min] | -40 °C |
| Output Configuration | High Side |
| Output Type | P-Channel |
| Package / Case | 6-XFBGA, DSBGA |
| Ratio - Input:Output [custom] | 1:1 |
| Rds On (Typ) | 300 mOhm |
| Supplier Device Package | 6-DSBGA |
| Switch Type | General Purpose |
| Voltage - Load [Max] | 5.5 V |
| Voltage - Load [Min] | 1.62 V |
| Voltage - Supply (Vcc/Vdd) | False |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Cut Tape (CT) | 1 | $ 1.63 | |
| 10 | $ 1.03 | |||
| 25 | $ 0.87 | |||
| 100 | $ 0.69 | |||
| 250 | $ 0.61 | |||
| 500 | $ 0.55 | |||
| 1000 | $ 0.51 | |||
| Digi-Reel® | 1 | $ 1.63 | ||
| 10 | $ 1.03 | |||
| 25 | $ 0.87 | |||
| 100 | $ 0.69 | |||
| 250 | $ 0.61 | |||
| 500 | $ 0.55 | |||
| 1000 | $ 0.51 | |||
| Tape & Reel (TR) | 3000 | $ 0.45 | ||
| 6000 | $ 0.42 | |||
| 9000 | $ 0.41 | |||
| 15000 | $ 0.40 | |||
| 21000 | $ 0.39 | |||
| Texas Instruments | LARGE T&R | 1 | $ 0.74 | |
| 100 | $ 0.57 | |||
| 250 | $ 0.42 | |||
| 1000 | $ 0.30 | |||
Description
General part information
TPS22946 Series
The TPS22946 is an ultralow power load switch that provides protection to systems and loads in high-current conditions. The device contains a 300-mΩ current-limited P-channel MOSFET that can operate over an input voltage range of 1.62 V to 5.5 V. The switch is controlled by an on/off input (ON), which can interface directly with low-voltage control signals. The TPS22946 includes thermal shutdown protection that prevents damage to the device when a continuous over-current condition causes excessive heating by turning off the switch.
When the switch current reaches the maximum limit, the TPS22946 operates in a constant-current mode to prohibit excessive currents from causing damage. The current limit can be selected using the CL input: a high CL input sets the current limit to 155 mA, a low CL input sets the current limit to 70 mA, and a floating CL input sets the current limit to 30 mA.
If the constant current condition persists after 10 ms, the switch is turned off and the fault signal pin (OC) is pulled low. The TPS22946 has an auto-restart feature which turns the switch on again after 70 ms if the ON pin is still active. If the TPS22946 remains in an over-current condition for 5 seconds, the device shuts off until it is turned on again by setting the ON control signal off and then on.
Documents
Technical documentation and resources
