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TCK22891G,LF
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Product Detailed Parameters
- Description：IC PWR SWITCH P-CHAN 1:1 WCSP6E
- Series：-
- Mfr：Toshiba Semiconductor and Storage
- Package：Tape & Reel (TR),Cut Tape (CT)
- Switch Type：General Purpose
- Number of Outputs：1
- Ratio - Input:Output：1:01
- Output Configuration：High Side
- Output Type：P-Channel
- Interface：On/Off
- Voltage - Load：1.4V ~ 5.5V
- Voltage - Supply (Vcc/Vdd)：Not Required
- Current - Output (Max)：400mA
- Rds On (Typ)：31mOhm
- Input Type：Non-Inverting
- Features：Load Discharge
- Fault Protection：Current Limiting (Fixed), Over Temperature
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：6-WCSPE (0.80x1.2)
- Package / Case：6-UFBGA, WLCSP
- Grade：-
- Qualification：-
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Overview
The TCK22891G,LF is a single-channel P-Channel power switch IC manufactured by Toshiba Semiconductor and Storage. It operates within a load voltage range of 1.1V to 5.5V and supports a maximum continuous output current of 400mA. The device features a typical on-resistance of 31mΩ at 5V. It utilizes a 6-WCSP (0.80x1.2mm) package and includes protection against over-temperature conditions.
Feature Summary
- Single-channel P-Channel power switching capability
- Integrated thermal shutdown protection
- Low on-resistance for efficient power delivery
Applications
- Consumer equipment power management
- Mobile equipment load switching
- IoT and wearable device power control
Procurement Notes
Verify the specific suffix 'G,LF' to ensure RoHS compliance and lead-free status as documented by the manufacturer. Confirm the package designation matches the required 6-WCSP form factor for PCB layout compatibility. Cross-reference the full part number with official Toshiba distribution channels to avoid counterfeit components.
Selection Notes
Select this component for applications requiring a compact P-Channel load switch with moderate current handling up to 400mA. The low on-resistance makes it suitable for battery-powered devices where efficiency is critical. Ensure the input logic levels are compatible with the system's control signals before integration.
Part Context
This component belongs to Toshiba's series of low-power discrete semiconductors designed for Internet of Things (IoT) and portable electronics. It serves as a solid-state alternative to mechanical switches, offering faster switching speeds and higher reliability in space-constrained mobile and consumer applications.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Verify pinout and electrical specifications carefully when considering generic equivalents from other manufacturers.
