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TPS61042DRBR
+BOMIC LED DRVR RGLTR PWM 60MA 8SON
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メーカーSTマイクロエレクトロニクス
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メーカー品番 #TPS61042DRBR
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パッケージ VSON (DRB)-8
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在庫状況6049
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| 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 |
概要
Description
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
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
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
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
Application
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.