仕様
| 属性 | 値 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| SwitchType | General Purpose |
| NumberofOutputs | 2 |
| Ratio-Input:Output | 1:2 |
| OutputConfiguration | High Side |
| OutputType | N-Channel |
| Interface | On/Off |
| Voltage-Load | 2.7V ~ 5.5V |
| Voltage-Supply(Vcc/Vdd) | Not Required |
| Current-Output(Max) | 500mA |
| RdsOn(Typ) | 70mOhm |
| InputType | Non-Inverting |
| Features | Status Flag |
| FaultProtection | Current Limiting (Fixed), Over Temperature, UVLO |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| SupplierDevicePackage | 8-HVSSOP |
概要
Description
The TPS2042BDGNR is an integrated circuit from Texas Instruments, designed for power distribution in USB applications. It features dual-channel current-limited power switches, making it ideal for systems requiring reliable power management and protection. Each channel can supply up to 500 mA, and the device offers precise overcurrent protection, thermal shutdown, and short-circuit protection to ensure system safety and reliability.
The TPS2042BDGNR operates over a wide input voltage range and provides a controlled rise time to minimize inrush current. It also has an enable control for each channel, allowing for independent operation. The design is efficient, with low on-resistance and low quiescent current, making it suitable for battery-operated devices.
Packaged in an 8-pin SOP (Small Outline Package), it is compact and suitable for space-constrained applications. Its features make it well-suited for use in computers, peripherals, and consumer electronics where robust power management is essential. Overall, the TPS2042BDGNR is a versatile component for managing power distribution in various electronic systems.
The TPS2042BDGNR operates over a wide input voltage range and provides a controlled rise time to minimize inrush current. It also has an enable control for each channel, allowing for independent operation. The design is efficient, with low on-resistance and low quiescent current, making it suitable for battery-operated devices.
Packaged in an 8-pin SOP (Small Outline Package), it is compact and suitable for space-constrained applications. Its features make it well-suited for use in computers, peripherals, and consumer electronics where robust power management is essential. Overall, the TPS2042BDGNR is a versatile component for managing power distribution in various electronic systems.
Equivalent
The TPS2042BDGNR is a dual-channel power distribution switch by Texas Instruments. Equivalent products from other manufacturers might include:
1. MAX4995B from Maxim Integrated: A dual-channel current-limited power switch.
2. AP2142 from Diodes Incorporated: Dual-channel current-limited power switch.
3. RT9742 from Richtek: A dual-channel power switch with similar functionality.
Always verify the electrical and thermal specifications to ensure compatibility.
1. MAX4995B from Maxim Integrated: A dual-channel current-limited power switch.
2. AP2142 from Diodes Incorporated: Dual-channel current-limited power switch.
3. RT9742 from Richtek: A dual-channel power switch with similar functionality.
Always verify the electrical and thermal specifications to ensure compatibility.
Features
The TPS2042BDGNR is a dual-channel power distribution switch from Texas Instruments, designed for USB applications and general-purpose power management. Key features include:
1. Current Limiting: Provides protection against overcurrent events, with a fixed current limit to safeguard connected devices.
2. Over-Temperature Protection: Automatically shuts down the switch during overheating conditions to prevent damage.
3. Reverse Current Blocking: Prevents current from flowing in the reverse direction, enhancing safety and reliability.
4. Controlled Rise and Fall Time: Minimizes inrush current and voltage spikes during turn-on and turn-off transitions, ensuring smooth operation.
5. Independent Enable Pins: Allows each channel to be individually controlled, offering flexibility in power management.
6. Fault Reporting: Includes an active-low fault indicator to signal overcurrent, overtemperature, or other fault conditions.
7. Operating Range: Supports an input voltage range of 2.7V to 5.5V, making it suitable for standard USB voltage levels.
8. Compact Package: Available in a small, space-saving package ideal for portable and compact electronic designs.
Overall, the TPS2042BDGNR is a robust solution for managing power distribution with multiple protective features.
1. Current Limiting: Provides protection against overcurrent events, with a fixed current limit to safeguard connected devices.
2. Over-Temperature Protection: Automatically shuts down the switch during overheating conditions to prevent damage.
3. Reverse Current Blocking: Prevents current from flowing in the reverse direction, enhancing safety and reliability.
4. Controlled Rise and Fall Time: Minimizes inrush current and voltage spikes during turn-on and turn-off transitions, ensuring smooth operation.
5. Independent Enable Pins: Allows each channel to be individually controlled, offering flexibility in power management.
6. Fault Reporting: Includes an active-low fault indicator to signal overcurrent, overtemperature, or other fault conditions.
7. Operating Range: Supports an input voltage range of 2.7V to 5.5V, making it suitable for standard USB voltage levels.
8. Compact Package: Available in a small, space-saving package ideal for portable and compact electronic designs.
Overall, the TPS2042BDGNR is a robust solution for managing power distribution with multiple protective features.
Pinout
The TPS2042BDGNR is a power distribution switch by Texas Instruments, typically used for USB applications. It comes in an 8-pin package. The pin functions are as follows:
1. IN: Input voltage supply.
2. OUT1: Output 1 for load connection.
3. OUT2: Output 2 for load connection.
4. EN1: Enable input for OUT1.
5. EN2: Enable input for OUT2.
6. OC1: Overcurrent and thermal fault indicator for OUT1.
7. OC2: Overcurrent and thermal fault indicator for OUT2.
8. GND: Ground.
The device is designed for power distribution, overcurrent protection, and controlled output for dual loads.
1. IN: Input voltage supply.
2. OUT1: Output 1 for load connection.
3. OUT2: Output 2 for load connection.
4. EN1: Enable input for OUT1.
5. EN2: Enable input for OUT2.
6. OC1: Overcurrent and thermal fault indicator for OUT1.
7. OC2: Overcurrent and thermal fault indicator for OUT2.
8. GND: Ground.
The device is designed for power distribution, overcurrent protection, and controlled output for dual loads.
Manufacturer
The TPS2042BDGNR is manufactured by Texas Instruments. Texas Instruments, often abbreviated as TI, is an American technology company that designs and manufactures semiconductors and various integrated circuits. These are used in a wide array of electronic devices, including those in industrial, automotive, personal electronics, and communication applications. TI is one of the largest semiconductor companies in the world and is known for its innovation in analog and embedded processing products. The company is headquartered in Dallas, Texas, and has a strong global presence.
Application
The TPS2042BDGNR is a dual-channel, current-limited power distribution switch commonly used in applications such as USB ports, power management in PCs and laptops, and general-purpose power distribution. It provides overcurrent protection and controlled power delivery for peripherals and devices connected via USB or similar interfaces. Its compact design and reliability make it suitable for consumer electronics, telecom equipment, and industrial systems where power distribution control and protection are critical.
Package
The TPS2042BDGNR is a dual-channel power distribution switch from Texas Instruments. It comes in an 8-pin MSOP (DGK) package, which is a mini small outline package. This package type is compact, ideal for space-constrained applications, and provides efficient thermal performance.
