Hình ảnh chỉ để tham khảo
TPS61158DRVR
+BOMIC LED DRVR RGLTR PWM 30MA 6WSON
-
Nhà sản xuấtTexas Dụng cụ
-
Ông. Phần #TPS61158DRVR
-
Gói WSON (DRV)-6
-
Có sẵn4851
365 Đảm bảo chất lượng ngày
7*24 giờ dịch vụ quarantee
90-Bảo hành sau bán hàng ngày
Bảo hành sản phẩm chính xác
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) | 2.7V |
| Voltage-Supply(Max) | 5.5V |
| Voltage-Output | 2.7V ~ 29V |
| Current-Output/Channel | 30mA |
| Frequency | 750kHz |
| Dimming | PWM |
| Applications | Backlight |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 6-WDFN Exposed Pad |
Tổng quan
Description
The TPS61158DRVR features a high-efficiency synchronous boost architecture, which helps in reducing power loss and prolonging battery life. With a switching frequency of 1.2 MHz, it allows the use of smaller external components, saving space on the circuit board. The device also includes built-in protection features such as over-current protection, over-voltage protection, and thermal shutdown to enhance reliability and safety.
The compact package (WSON) and low external component count make it ideal for space-constrained applications. It also supports PWM and analog dimming for flexible brightness control. Overall, the TPS61158DRVR is a reliable and efficient solution for LED backlighting in modern electronic devices.
Equivalent
1. MAX1709: A high-efficiency, high-power boost converter from Maxim Integrated.
2. LTC3425: A synchronous boost converter by Analog Devices.
3. NCP1402: A step-up converter by ON Semiconductor.
4. MIC2253: A boost switch-mode regulator by Microchip Technology.
5. LM2621: A step-up DC-DC converter from Texas Instruments itself.
Always verify specifications to ensure compatibility with your application.
Features
1. Wide Input Voltage Range: It operates from 2.5V to 5.5V, making it suitable for battery-powered applications.
2. Adjustable Output Voltage: The output voltage is programmable up to 18.5V through an external resistor divider.
3. High Efficiency: It achieves up to 90% efficiency, which conserves battery life.
4. Compact Size: Housed in a small WSON package, it allows for space-saving designs.
5. Low Quiescent Current: Consumes minimal power in standby mode, reducing overall power consumption.
6. Protection Features: Includes over-current protection, thermal shutdown, and short-circuit protection for robust operation.
7. Fixed Switching Frequency: Operates at a 1.2 MHz fixed frequency, reducing output ripple and allowing for the use of small external components.
8. Easy Integration: It requires minimal external components, simplifying the design process.
These features make the TPS61158DRVR an ideal choice for applications requiring efficient power management in compact form factors.
Pinout
Here's a brief overview of its key pin functions:
1. VIN (Pin 1): Input voltage supply.
2. GND (Pin 2): Ground reference for the device.
3. CTRL (Pin 3): Control pin used for enabling the device and adjusting LED brightness, often through PWM (Pulse Width Modulation) or analog dimming.
4. SW (Pin 4): Switch node connected to the inductor and flyback diode in the boost converter circuit.
5. FB (Pin 5): Feedback pin used to regulate the output current by connecting it to a sense resistor.
6. OVP (Pin 6): Over-voltage protection pin, which shuts down the device when the output exceeds a certain voltage threshold.
This device is optimized for portable applications, providing efficient power conversion and excellent dimming capability.
Manufacturer
Application
1. Portable Electronics: Ideal for devices such as smartphones, tablets, and digital cameras that require efficient power management to extend battery life.
2. LED Backlighting: Used in LCD displays for devices like laptops and monitors to provide consistent and high-quality backlighting.
3. Consumer Electronics: Applicable in various gadgets needing voltage boosting for enhanced performance and functionality.
4. Industrial Equipment: Employed in situations where stable voltage supply is crucial for reliable operation.
5. Medical Devices: Suitable for portable medical equipment that demands compact and efficient power conversion.
Its compact size and efficiency make it versatile for these applications.