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TPS2117DRLR
+Lista de Materiais1.6-V TO 5.5-V, 20-M, 4-A LOW IQ
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FabricanteTexas Instruments
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Peça do Fabricante #TPS2117DRLR
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Ficha Técnica TPS2117DRLR DataSheet
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Especificações
| Atributo | Valor |
| PartStatus | Active |
| SwitchType | General Purpose |
| NumberofOutputs | 1 |
| Ratio-Input:Output | 2:1 |
| OutputConfiguration | High Side |
| OutputType | N-Channel |
| Interface | Logic |
| Voltage-Load | 1.6V ~ 5.5V |
| Voltage-Supply(Vcc/Vdd) | 1.6V ~ 5.5V |
| Current-Output(Max) | 4A |
| RdsOn(Typ) | 20mOhm |
| InputType | Differential |
| FaultProtection | Current Limiting (Fixed), Reverse Current |
| OperatingTemperature | -40°C ~ 125°C (TA) |
| MountingType | Surface Mount |
| SupplierDevicePackage | SOT-583 |
| Package/Case | SOT-583 |
Visão Geral
Description
The TPS2117DRLR features an automatic switchover mechanism that prioritizes the primary power source, switching to the secondary source if the primary fails or falls below a specified threshold. It operates over a wide input voltage range and can handle load currents up to a specified limit, suitable for various low-power applications.
The device is integrated with protection features such as overcurrent protection, thermal shutdown, and reverse current blocking, enhancing its reliability and safety. It comes in a small, space-saving package, making it ideal for compact designs. Overall, the TPS2117DRLR is a versatile and robust solution for managing dual power sources in electronic circuits.
Equivalent
1. ADP5034 - from Analog Devices, a power management unit with integrated buck regulators.
2. MIC2026 - from Microchip Technology, a dual power distribution switch.
3. MAX4995A/B/C - from Maxim Integrated (now part of Analog Devices), a dual-input, single-output power selector switch.
These alternatives offer similar power management and switching capabilities. Checking the datasheets for specific requirements such as voltage, current limits, and package type is recommended.
Features
1. Automatic Switching: It can automatically select between two voltage sources, prioritizing the primary source and switching to the secondary source if the primary is unavailable.
2. Input Voltage Range: Operates with input voltages from 2.8V to 5.5V, making it suitable for various applications.
3. Low RON Switches: The device features low on-resistance (RON) for efficient power transfer and minimized voltage drop.
4. Current Limit Protection: Offers integrated current limit protection to prevent damage due to overcurrent conditions.
5. Reverse Current Blocking: Prevents reverse current flow from the output back to the input sources, ensuring stability and preventing damage.
6. Low Quiescent Current: Designed for power efficiency, featuring low quiescent current consumption.
7. Thermal Shutdown: Includes thermal shutdown protection to safeguard against overheating.
8. Compact Package: Available in a small, space-saving SOT-23 package.
Overall, the TPS2117DRLR provides reliable and efficient power management for battery-operated and dual-power source systems.
Pinout
The TPS2117DRLR comes in an 8-pin package, specifically the SON (Small Outline No-lead) package. Here is a brief overview of the functions of its pins:
1. IN1: Primary power input pin.
2. IN2: Secondary power input pin.
3. OUT: Output pin that connects to the load.
4. GND: Ground pin.
5. PRIORITY: Logic input to select the preferred power source.
6. CTL: Control pin for enabling or disabling the device.
7. ILIM: Input for setting the current limit.
8. NC (No Connect): Pin with no internal connection, used for mechanical stability or thermal performance.
The TPS2117DRLR is typically used in applications where seamless transition between power supplies is critical, such as in consumer electronics or portable devices.
Manufacturer
Application
1. Battery-Powered Devices: Seamless transition between battery and external power supply.
2. Portable Electronics: Ensures continuous operation during power source changes.
3. Consumer Electronics: Used in devices like smartphones and tablets for power management.
4. Industrial Equipment: Provides reliable power switching in automation and control systems.
5. Networking Devices: Used in routers and modems to manage power from different sources.
6. Medical Devices: Ensures uninterrupted power for critical medical equipment.
These applications benefit from the device’s ability to prioritize power sources and minimize downtime.