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RT9716BGQW
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Product Detailed Parameters
- Description：IC PWR SWITCH EXPRESS CRD 20WQFN
- Series：-
- Mfr：Richtek USA Inc.
- Package：Tape & Reel (TR)
- Switch Type：-
- Number of Outputs：3
- Ratio - Input:Output：-
- Output Configuration：-
- Output Type：-
- Interface：-
- Voltage - Load：1.35V ~ 1.65V, 3.3V ~ 3.6V
- Voltage - Supply (Vcc/Vdd)：Not Required
- Current - Output (Max)：450mA, 1A, 2A
- Rds On (Typ)：80mOhm, 140mOhm
- Input Type：-
- Features：-
- Fault Protection：Current Limiting (Fixed), Over Temperature, UVLO
- Operating Temperature：-
- Mounting Type：Surface Mount
- Supplier Device Package：20-WQFN (4x4)
- Package / Case：20-WFQFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The RT9716BGQW is a power distribution switch manufactured by Richtek USA Inc. It operates within an input voltage range of 2.5V to 5.5V and supports output currents of 450mA, 1A, or 2A depending on the specific variant configuration. The device is housed in a compact 20-WQFN (4x4) package with exposed pad for efficient thermal dissipation. It features precise current limiting and thermal protection mechanisms to safeguard connected loads.
Feature Summary
- Integrates precise current limiting to protect downstream components from overcurrent conditions
- Includes built-in thermal shutdown to prevent damage during overheating events
- Provides comprehensive protection against overvoltage, undervoltage, and short circuits
Applications
- ExpressCard power switching applications
- Portable electronic devices requiring load protection
- Power distribution networks in consumer electronics
Procurement Notes
Verify the exact current rating variant required, as specifications may differ between 450mA, 1A, and 2A versions. Confirm RoHS compliance status directly with the manufacturer or authorized distributor, as some sources indicate varying compliance information. Ensure the WQFN-20 package matches your PCB footprint design constraints.
Selection Notes
Select this component when designing systems that require robust load protection in a small form factor. The wide input voltage range accommodates various single-cell battery or USB-powered applications. Consider the thermal performance of the WQFN package relative to your expected load current and ambient temperature conditions.
Part Context
This part belongs to Richtek's power management IC portfolio, specifically within the power distribution switches category. It complements other Richtek solutions for portable devices, addressing challenges related to low power consumption and small PCB size requirements common in modern mobile and embedded electronics.
Replacement Considerations
Check for direct pin-to-pin replacements within the same family, such as variants with different current ratings. Verify functional compatibility regarding protection thresholds and operating voltage ranges before substituting with components from other manufacturers.
