Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| Type | DC DC Regulator |
| Topology | Step-Up (Boost) |
| InternalSwitch(s) | Yes |
| NumberofOutputs | 1 |
| Voltage-Supply(Min) | 1.8V |
| Voltage-Supply(Max) | 6V |
| Voltage-Output | 27.5V |
| Current-Output/Channel | 60mA (Switch) |
| Frequency | 1MHz |
| Dimming | PWM |
| Applications | Backlight |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-VDFN Exposed Pad |
Tổng quan
Description
The TPS61042DRBR is a high-efficiency, step-up (boost) DC-DC converter from Texas Instruments, designed for applications requiring a compact and efficient power supply solution. It operates with an input voltage range of 1.8V to 6V, making it suitable for battery-powered devices. The device can generate an output voltage of up to 28V, supporting applications like driving white LEDs in display backlighting or portable lighting systems.
Key features include a fixed switching frequency of 1.2 MHz, which allows for the use of small external components and helps minimize overall solution size. Its high efficiency up to 85% ensures longer battery life in portable devices. The TPS61042DRBR also includes an internal power MOSFET, soft start, and over-temperature protection to safeguard against overloading and overheating.
Available in a compact 6-pin SON package, the TPS61042DRBR is ideal for space-constrained applications. It supports various end-uses, including mobile devices, handheld instruments, and other portable electronic systems that require efficient step-up voltage conversion.
Key features include a fixed switching frequency of 1.2 MHz, which allows for the use of small external components and helps minimize overall solution size. Its high efficiency up to 85% ensures longer battery life in portable devices. The TPS61042DRBR also includes an internal power MOSFET, soft start, and over-temperature protection to safeguard against overloading and overheating.
Available in a compact 6-pin SON package, the TPS61042DRBR is ideal for space-constrained applications. It supports various end-uses, including mobile devices, handheld instruments, and other portable electronic systems that require efficient step-up voltage conversion.
Equivalent
The TPS61042DRBR is a boost converter. Equivalent products include:
1. MAX1682 from Maxim Integrated: High-efficiency, step-up DC-DC converter.
2. LT1613 from Analog Devices (formerly Linear Technology): Micropower boost converter.
3. LM2731 from Texas Instruments: Wide input range boost converter.
4. MT3608 from Monolithic Power Systems: High-efficiency, step-up converter.
These alternatives have similar specifications but check compatibility for your application.
1. MAX1682 from Maxim Integrated: High-efficiency, step-up DC-DC converter.
2. LT1613 from Analog Devices (formerly Linear Technology): Micropower boost converter.
3. LM2731 from Texas Instruments: Wide input range boost converter.
4. MT3608 from Monolithic Power Systems: High-efficiency, step-up converter.
These alternatives have similar specifications but check compatibility for your application.
Features
The TPS61042DRBR is a boost converter from Texas Instruments, primarily designed for driving white LEDs with a constant current. Key features of this device include:
1. Wide Input Voltage Range: Operates from 1.8 V to 6 V, suitable for battery-powered applications.
2. Output Voltage: Capable of boosting output voltage up to 28 V.
3. Efficiency: High efficiency, often exceeding 80%, helps extend battery life in portable devices.
4. Adjustable Output Current: The LED current can be set using an external resistor, allowing for customization based on application needs.
5. Integrated Power MOSFET: Incorporates a 40 V power MOSFET, simplifying the circuit design and reducing component count.
6. Fixed Switching Frequency: Operates at a fixed frequency of 1.2 MHz, which facilitates the use of small external components.
7. Protection Features: Includes over-voltage protection, over-temperature protection, and current limiting to enhance reliability and safety.
8. Compact Package: Available in a small, thermally efficient 6-pin SON package (SON-6).
These features make the TPS61042DRBR suitable for driving multiple LEDs in series, particularly in portable and space-constrained applications.
1. Wide Input Voltage Range: Operates from 1.8 V to 6 V, suitable for battery-powered applications.
2. Output Voltage: Capable of boosting output voltage up to 28 V.
3. Efficiency: High efficiency, often exceeding 80%, helps extend battery life in portable devices.
4. Adjustable Output Current: The LED current can be set using an external resistor, allowing for customization based on application needs.
5. Integrated Power MOSFET: Incorporates a 40 V power MOSFET, simplifying the circuit design and reducing component count.
6. Fixed Switching Frequency: Operates at a fixed frequency of 1.2 MHz, which facilitates the use of small external components.
7. Protection Features: Includes over-voltage protection, over-temperature protection, and current limiting to enhance reliability and safety.
8. Compact Package: Available in a small, thermally efficient 6-pin SON package (SON-6).
These features make the TPS61042DRBR suitable for driving multiple LEDs in series, particularly in portable and space-constrained applications.
Pinout
The TPS61042DRBR is a boost converter IC manufactured by Texas Instruments. It typically comes in a 6-pin WSON package. The primary function of the TPS61042 is to boost lower input voltages to a higher output voltage, which is suitable for driving white LEDs or other applications requiring a constant current source.
Here is a brief overview of the pin configuration:
1. SW (Pin 1): Switch pin. It is connected to the inductor and the internal switch.
2. GND (Pin 2): Ground pin. This is the ground reference for the device.
3. FB (Pin 3): Feedback pin. It is used to set the output voltage via a resistor network.
4. ENA (Pin 4): Enable pin. This pin is used to enable or disable the device.
5. VIN (Pin 5): Input voltage pin. It supplies power to the IC.
6. VOUT (Pin 6): Output voltage pin. It is connected to the output capacitor.
The TPS61042 is efficient for applications that require a stable output voltage in a compact form factor.
Here is a brief overview of the pin configuration:
1. SW (Pin 1): Switch pin. It is connected to the inductor and the internal switch.
2. GND (Pin 2): Ground pin. This is the ground reference for the device.
3. FB (Pin 3): Feedback pin. It is used to set the output voltage via a resistor network.
4. ENA (Pin 4): Enable pin. This pin is used to enable or disable the device.
5. VIN (Pin 5): Input voltage pin. It supplies power to the IC.
6. VOUT (Pin 6): Output voltage pin. It is connected to the output capacitor.
The TPS61042 is efficient for applications that require a stable output voltage in a compact form factor.
Manufacturer
The TPS61042DRBR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of analog and embedded processing chips. TI's products are commonly used in a variety of electronic devices, including industrial equipment, automotive systems, personal electronics, and communications technologies. The company is known for its innovation in semiconductor technology and its comprehensive portfolio of products that serve diverse markets.
Application
The TPS61042DRBR is a boost converter primarily used in applications requiring efficient step-up voltage conversion. Common application areas include:
1. Portable Electronics: Powering LED backlights and displays in mobile phones, digital cameras, and portable media players.
2. LED Lighting: Driving white LEDs in flashlights or for general illumination.
3. Battery-Powered Devices: Extending battery life by efficiently boosting lower battery voltages to required levels.
4. Industrial Equipment: Providing stable output voltages for sensors and other low-power devices.
5. Wearable Technology: Ensuring consistent power supply in compact, space-constrained designs.
Its small size and high efficiency make it ideal for space-limited applications.
1. Portable Electronics: Powering LED backlights and displays in mobile phones, digital cameras, and portable media players.
2. LED Lighting: Driving white LEDs in flashlights or for general illumination.
3. Battery-Powered Devices: Extending battery life by efficiently boosting lower battery voltages to required levels.
4. Industrial Equipment: Providing stable output voltages for sensors and other low-power devices.
5. Wearable Technology: Ensuring consistent power supply in compact, space-constrained designs.
Its small size and high efficiency make it ideal for space-limited applications.
Package
The TPS61042DRBR is a DC-DC boost converter from Texas Instruments, and it comes in a 10-pin SON (Small Outline No-Lead) package type, specifically a WSON or SON package, designated as "DRB" for the specific footprint and dimensions.
