規格
| 屬性 | 價值 |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| Function | Ratiometric |
| OutputConfiguration | Positive or Negative |
| Topology | Charge Pump |
| OutputType | Fixed |
| NumberofOutputs | 1 |
| Voltage-Input(Min) | 1.8V |
| Voltage-Input(Max) | 5.25V |
| Voltage-Output(Min/Fixed) | -Vin, 2Vin, Vin/2 |
| Current-Output | 60mA |
| Frequency-Switching | 50kHz |
| SynchronousRectifier | No |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | SC-74A, SOT-753 |
概述
Description
The TPS60402DBVR is a Texas Instruments charge pump voltage inverter integrated circuit designed to generate a negative output voltage from a positive input voltage. It operates with a low supply current, making it efficient for battery-powered applications. Key features include an input voltage range of 1.6 V to 5.5 V, a fixed output voltage of -5 V, and a typical output current capability of up to 60 mA. The device is known for its high efficiency and low quiescent current, making it suitable for portable and low-power applications. It comes in a small SOT-23 package, which is ideal for space-constrained designs. The TPS60402DBVR is commonly used in applications such as LCD bias supplies, sensor power supplies, and other circuits requiring a negative voltage. Additionally, it features thermal shutdown protection and short-circuit protection, enhancing its reliability and safety in various operating conditions.
Equivalent
The TPS60402DBVR is a charge pump voltage inverter from Texas Instruments. Some equivalent products with similar functionality include:
1. LTC1983-5 from Analog Devices: A charge pump inverter with a fixed -5V output.
2. MAX1719 from Maxim Integrated: A charge pump inverter with adjustable output.
3. MIC604 from Microchip Technology: A charge pump voltage inverter for low-power applications.
Always verify specifications like voltage, current, and package to ensure compatibility.
1. LTC1983-5 from Analog Devices: A charge pump inverter with a fixed -5V output.
2. MAX1719 from Maxim Integrated: A charge pump inverter with adjustable output.
3. MIC604 from Microchip Technology: A charge pump voltage inverter for low-power applications.
Always verify specifications like voltage, current, and package to ensure compatibility.
Features
The TPS60402DBVR is a switched-capacitor voltage inverter by Texas Instruments designed to generate a negative output voltage from a positive input voltage. Key features include:
1. Input Voltage Range: Operates efficiently within a 1.6 V to 5.5 V input range.
2. Output Voltage: Capable of inverting the input voltage to deliver a negative output voltage close to the negative of the input.
3. Output Current: It provides up to 60 mA of output current while maintaining efficiency.
4. Efficiency: Offers high power efficiency typically greater than 90%.
5. Low Quiescent Current: Consumes minimal power with a low quiescent current of approximately 60 μA.
6. Switching Frequency: Operates with a fixed switching frequency of 250 kHz, reducing electromagnetic interference (EMI).
7. Compact Package: Available in a small SOT-23 package ideal for space-constrained applications.
8. Protection Features: Includes thermal shutdown and short-circuit protection for enhanced reliability.
These features make the TPS60402DBVR suitable for portable, battery-powered applications and any design requiring a small, efficient negative voltage generation solution.
1. Input Voltage Range: Operates efficiently within a 1.6 V to 5.5 V input range.
2. Output Voltage: Capable of inverting the input voltage to deliver a negative output voltage close to the negative of the input.
3. Output Current: It provides up to 60 mA of output current while maintaining efficiency.
4. Efficiency: Offers high power efficiency typically greater than 90%.
5. Low Quiescent Current: Consumes minimal power with a low quiescent current of approximately 60 μA.
6. Switching Frequency: Operates with a fixed switching frequency of 250 kHz, reducing electromagnetic interference (EMI).
7. Compact Package: Available in a small SOT-23 package ideal for space-constrained applications.
8. Protection Features: Includes thermal shutdown and short-circuit protection for enhanced reliability.
These features make the TPS60402DBVR suitable for portable, battery-powered applications and any design requiring a small, efficient negative voltage generation solution.
Pinout
The TPS60402DBVR is a component from Texas Instruments, specifically a switched capacitor voltage inverter. It is designed to produce a negative output voltage from a positive input voltage. The device is housed in a small SOT-23-5 package, which means it has 5 pins.
The pin functions are as follows:
1. VIN: Input voltage pin. This is where the positive supply voltage is applied.
2. GND: Ground pin. It acts as the reference point for the circuit.
3. VOUT: Output voltage pin. This provides the inverted negative output voltage.
4. CAP+: Positive terminal of the flying capacitor. Used in the charge pump circuit.
5. CAP-: Negative terminal of the flying capacitor. Completes the charge pump configuration.
The TPS60402 is commonly used in applications where a negative voltage is needed from a positive supply, such as in biasing applications or generating split-rail supplies.
The pin functions are as follows:
1. VIN: Input voltage pin. This is where the positive supply voltage is applied.
2. GND: Ground pin. It acts as the reference point for the circuit.
3. VOUT: Output voltage pin. This provides the inverted negative output voltage.
4. CAP+: Positive terminal of the flying capacitor. Used in the charge pump circuit.
5. CAP-: Negative terminal of the flying capacitor. Completes the charge pump configuration.
The TPS60402 is commonly used in applications where a negative voltage is needed from a positive supply, such as in biasing applications or generating split-rail supplies.
Manufacturer
The TPS60402DBVR is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is a global technology company known for designing and manufacturing semiconductors and various integrated circuits. TI is a major player in the electronics industry, providing a wide range of products that are used in various applications, including industrial, automotive, personal electronics, and communications equipment. The company is renowned for its innovation and has a significant presence in both the analog and embedded processing semiconductor sectors.
Application
The TPS60402DBVR is a charge pump voltage inverter primarily used in applications requiring a negative voltage supply. Typical application areas include:
1. Portable Devices: Provides negative voltage for operational amplifiers or sensors.
2. Industrial Systems: Used in sensor interfaces and signal conditioning for transducers.
3. Telecommunications: Powers negative voltage rails in communication equipment.
4. Consumer Electronics: Supplies components needing a negative voltage, enhancing device flexibility.
5. Medical Instruments: Supports negative biasing in sensitive measurement devices.
Its compact size, low power consumption, and efficiency make it suitable for battery-powered and space-constrained applications.
1. Portable Devices: Provides negative voltage for operational amplifiers or sensors.
2. Industrial Systems: Used in sensor interfaces and signal conditioning for transducers.
3. Telecommunications: Powers negative voltage rails in communication equipment.
4. Consumer Electronics: Supplies components needing a negative voltage, enhancing device flexibility.
5. Medical Instruments: Supports negative biasing in sensitive measurement devices.
Its compact size, low power consumption, and efficiency make it suitable for battery-powered and space-constrained applications.
Package
The TPS60402DBVR is a Texas Instruments part in a small, 5-pin SOT-23 (DBV) package. This package type is designed for space-constrained applications, providing a compact form for the inverting charge pump voltage inverter.
