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RT9711AGB
+BOMIC PWR SWITCH N-CHAN 1:1 SOT23-5
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ManufacturerRichtek USA Inc.
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Mfr. Part #RT9711AGB
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Datasheet RT9711AGB DataSheet
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Package SOT-753
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In Stock7120
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Specifications
| Attribute | Value |
| Package / Case | Tape & Reel (TR) |
| Part Status | Active |
| Switch Type | USB Switch |
| Number of Outputs | 1 |
| Ratio - Input: Output | 1:1 |
| Output Configuration | High Side |
| Output Type | N-Channel |
| Interface | On/Off |
| Voltage - Load | 2.5V ~ 5.5V |
| Voltage - Supply (Vcc/Vdd) | Not Required |
| Current - Output (Max) | 1.5A |
| Rds On (Typ) | 80mOhm |
| Input Type | Non-Inverting |
| Features | Status Flag |
| Fault Protection | Current Limiting (Fixed), Over Temperature, Reverse Current, UVLO |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Supplier Device Package | SOT-23-5 |
Overview
Description
The RT9711AGB is known for its compact size and low on-resistance, which ensures minimal power loss and efficient performance. It typically supports input voltage ranges suitable for common electronic applications and is designed to handle moderate current loads, making it versatile for various design needs.
Additionally, its user-friendly features, such as an enable/disable control pin, allow for easy integration into systems requiring manual or automatic power control. This PMIC is often used to ensure safe and efficient power delivery, prolonging device lifespan and enhancing overall system reliability.
Equivalent
1. Texas Instruments TPS2041 series - A family of power switch ICs.
2. Micrel MIC2025 series - Offers similar current limiting and thermal shutdown features.
3. ON Semiconductor NCP380 series - Provides overcurrent and overtemperature protection.
4. Diodes Incorporated AP2141 series - Alternative with similar functionality.
These alternatives should be evaluated for specific electrical and packaging requirements.
Features
1. Current Limit Protection: It provides over-current protection to prevent damage from excessive loads.
2. Over-Temperature Protection: Includes thermal shutdown to protect against overheating by turning off the switch.
3. Under-Voltage Lockout (UVLO): Ensures the device operates only when supply voltage is above the specified threshold.
4. Reverse Current Blocking: Prevents current from flowing back into the device when it's turned off.
5. Fast Transient Response: Offers quick reaction to changes in load, which helps maintain stable voltage levels.
6. Low On-Resistance: Reduces power loss and improves efficiency.
7. Enable Control: Includes an enable pin for control over power distribution, allowing for manual on/off switching.
8. Compact Package: Available in space-saving packages suitable for portable and compact devices.
These features make the RT9711AGB well-suited for applications requiring reliable power management and protection in consumer electronics or computing devices.
Pinout
1. IN: Power input pin, connects to the power source.
2. OUT: Power output pin, provides the controlled power to the load.
3. GND: Ground connection.
4. EN: Enable pin, used to turn the switch on or off.
5. ILIM: Current limit set pin, used to adjust the current threshold for protection.
6. FAULT: Fault indicator pin, signals if an over-current condition is detected.
7. NC: No Connect pin, not used in the circuit.
8. NC: Another No Connect pin.
These switches are commonly used to manage power distribution in USB hubs and other electronic devices, ensuring protection and efficient power management. For exact pin functions and connections, refer to the manufacturer's datasheet.
Manufacturer
Application
1. USB Power Management: Controls power distribution in USB ports to protect against over-current conditions.
2. Consumer Electronics: Used in devices like smartphones, tablets, and wearable tech to manage and protect power circuits.
3. Computer Peripherals: Ensures safe power delivery in peripherals such as external hard drives and printers.
4. Industrial Equipment: Provides reliable power distribution in industrial control systems.
5. Networking Devices: Manages power in routers and modems.
6. Battery-Powered Devices: Optimizes power usage and protection in battery-operated gadgets.
Its ability to offer over-current protection and thermal shutdown makes it versatile for various applications requiring reliable power management.