Overview
The TPS2112APWR is a power multiplexer from Texas Instruments, designed to enable seamless transition between two power supplies, such as a battery and a wall adapter. This device operates within a voltage range of 2.8 V to 5.5 V and can deliver up to 0.75 A of current. It is part of the TPS211xA family, which includes extensive protection circuitry and features that simplify the design of power multiplexer applications.
Key Specifications
| Parameter | Description |
|---|---|
| Package | TSSOP-8 |
| Pins | 8 |
| Operating Voltage Range | 2.8 V to 5.5 V |
| Maximum Current | 0.75 A |
| On-Resistance (rDS(on)) | 120 mΩ Typ |
| Standby Current | 0.5 µA Typ |
| Operating Current | 55 µA Typ |
| Operating Temperature Range | -40°C to 85°C |
| Package Quantity | 2000 (Carrier), 150 (Tube) |
Key Features
- Two-Input, One-Output Power Multiplexer with Low rDS(on) Switches
- Reverse and Cross-Conduction Blocking
- Wide Operating Voltage: 2.8 V to 5.5 V
- Low Standby Current: 0.5 µA Typ
- Low Operating Current: 55 µA Typ
- Adjustable Current Limit
- Controlled Output Voltage Transition Time: Limits Inrush Current and Minimizes Output Voltage Hold-Up Capacitance
- CMOS- and TTL-Compatible Control Inputs
- Auto-Switching Operating Mode
- Thermal Shutdown
- Available in TSSOP-8 and 3-mm × 3-mm SON-8 Packages
Applications
The TPS2112APWR is suitable for various applications requiring seamless power supply transitions, such as portable electronics, battery-powered devices, and systems that need to switch between a battery and a wall adapter. It is particularly useful in designs where power supply redundancy and protection against overcurrent, overtemperature, and cross-conduction are critical.
Q & A
- What is the operating voltage range of the TPS2112APWR?
The operating voltage range is 2.8 V to 5.5 V. - What is the maximum current the TPS2112APWR can handle?
The maximum current is 0.75 A. - What type of package is the TPS2112APWR available in?
The TPS2112APWR is available in TSSOP-8 and 3-mm × 3-mm SON-8 packages. - What is the typical on-resistance (rDS(on)) of the TPS2112APWR?
The typical on-resistance is 120 mΩ. - Does the TPS2112APWR have thermal shutdown protection?
Yes, it includes thermal shutdown protection. - Can the current limit be adjusted on the TPS2112APWR?
Yes, the current limit is adjustable. - What is the standby current of the TPS2112APWR?
The standby current is 0.5 µA Typ. - Is the TPS2112APWR compatible with CMOS and TTL control inputs?
Yes, it is compatible with CMOS and TTL control inputs. - What is the operating temperature range of the TPS2112APWR?
The operating temperature range is -40°C to 85°C. - Does the TPS2112APWR block reverse and cross-conduction?
Yes, it includes reverse and cross-conduction blocking.
