사양
| 속성 | 가치 |
| 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) | 2.9V |
| Voltage-Supply(Max) | 18V |
| Voltage-Output | 2.9V ~ 38V |
| Current-Output/Channel | 3A (Switch) |
| Frequency | 200kHz ~ 2.2MHz |
| Dimming | Analog, PWM |
| Applications | Backlight |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 14-TSSOP (0.173, 4.40mm Width) Exposed Pad |
개요
Description
The TPS61500PWPR is a high-performance boost converter from Texas Instruments designed for driving high-brightness white LEDs. It operates with an input voltage range of 2.9V to 18V, making it suitable for a variety of applications, including notebook displays, portable equipment, and automotive lighting systems. The device features a 1.2MHz fixed switching frequency, which allows the use of small external components and minimizes output ripple. It can deliver up to 3A of switch current, providing flexibility in driving multiple LEDs in series or parallel configurations.
The TPS61500PWPR includes several protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout, ensuring robust operation under various conditions. Its wide dimming range is enabled by both PWM and analog dimming methods, offering enhanced control over LED brightness. Packaged in a PowerPAD™ TSSOP for improved thermal performance, the TPS61500PWPR is a compact and efficient solution for high-brightness LED applications.
The TPS61500PWPR includes several protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout, ensuring robust operation under various conditions. Its wide dimming range is enabled by both PWM and analog dimming methods, offering enhanced control over LED brightness. Packaged in a PowerPAD™ TSSOP for improved thermal performance, the TPS61500PWPR is a compact and efficient solution for high-brightness LED applications.
Equivalent
The TPS61500PWPR is a high-voltage boost converter from Texas Instruments. Equivalent products include:
1. LT3479 by Analog Devices: A similar boost converter with integrated power switch.
2. MIC2605 by Microchip: Offers high-voltage boost functionality.
3. LM2733 by Texas Instruments: Another boost converter, though with different specifications.
4. MAX17084 by Maxim Integrated: Features comparable high-voltage boost capabilities.
Each equivalent may have different specs, so verify compatibility with your specific needs.
1. LT3479 by Analog Devices: A similar boost converter with integrated power switch.
2. MIC2605 by Microchip: Offers high-voltage boost functionality.
3. LM2733 by Texas Instruments: Another boost converter, though with different specifications.
4. MAX17084 by Maxim Integrated: Features comparable high-voltage boost capabilities.
Each equivalent may have different specs, so verify compatibility with your specific needs.
Features
The TPS61500PWPR is a high-efficiency, step-up DC-DC converter designed by Texas Instruments. It features a wide input voltage range of 2.9 V to 18 V, making it versatile for various applications. The device can drive an output voltage up to 38 V, with a switch current limit of up to 3 A, suitable for high-power applications. It offers a high-efficiency performance of up to 90%, reducing power loss and heat generation.
Key features include adjustable switching frequency (200 kHz to 2.2 MHz), allowing for flexibility in design and optimization for efficiency or size. The integrated N-channel MOSFET ensures a compact solution with fewer external components. It also includes soft-start, over-voltage protection, and thermal shutdown to enhance reliability and protect against faults. Additionally, the TPS61500 supports both PWM dimming and analog dimming for LED applications.
The device comes in a thermally enhanced 16-pin TSSOP package, suitable for compact design requirements. It is commonly used in applications like LCD bias supply, portable media players, and LED backlighting.
Key features include adjustable switching frequency (200 kHz to 2.2 MHz), allowing for flexibility in design and optimization for efficiency or size. The integrated N-channel MOSFET ensures a compact solution with fewer external components. It also includes soft-start, over-voltage protection, and thermal shutdown to enhance reliability and protect against faults. Additionally, the TPS61500 supports both PWM dimming and analog dimming for LED applications.
The device comes in a thermally enhanced 16-pin TSSOP package, suitable for compact design requirements. It is commonly used in applications like LCD bias supply, portable media players, and LED backlighting.
Pinout
The TPS61500PWPR is a high-brightness LED driver from Texas Instruments, featuring a flexible output configuration. It comes in a PowerPAD™ package with a pin count of 16. Here is a brief overview of its functions:
1. VIN (Pin 1): Input voltage supply.
2. EN (Pin 2): Enable pin to turn the device on or off.
3. COMP (Pin 3): Compensation pin for the control loop.
4. FB (Pin 4): Feedback input for output voltage regulation.
5. ISP (Pin 5) and ISN (Pin 6): Inputs for current sense.
7. OVP (Pin 7): Over-voltage protection input.
8. FREQ (Pin 8): Frequency selection pin.
9. DIMC (Pin 9): Dimming control input.
10. SS (Pin 10): Soft-start control.
11. GND (Pin 11): Ground connection.
12. SW (Pin 12): Switch node connection for inductor.
13. PGND (Pin 13): Power ground.
14. DRAIN (Pin 14): Drain connection for the internal switch.
15. VCC (Pin 15): Internal regulator output.
16. NC (Pin 16): No connection.
These pins collectively support the device's functionality in driving high-brightness LEDs with precise current regulation and protection features.
1. VIN (Pin 1): Input voltage supply.
2. EN (Pin 2): Enable pin to turn the device on or off.
3. COMP (Pin 3): Compensation pin for the control loop.
4. FB (Pin 4): Feedback input for output voltage regulation.
5. ISP (Pin 5) and ISN (Pin 6): Inputs for current sense.
7. OVP (Pin 7): Over-voltage protection input.
8. FREQ (Pin 8): Frequency selection pin.
9. DIMC (Pin 9): Dimming control input.
10. SS (Pin 10): Soft-start control.
11. GND (Pin 11): Ground connection.
12. SW (Pin 12): Switch node connection for inductor.
13. PGND (Pin 13): Power ground.
14. DRAIN (Pin 14): Drain connection for the internal switch.
15. VCC (Pin 15): Internal regulator output.
16. NC (Pin 16): No connection.
These pins collectively support the device's functionality in driving high-brightness LEDs with precise current regulation and protection features.
Manufacturer
The manufacturer of the TPS61500PWPR is Texas Instruments. Texas Instruments, commonly referred to as TI, is a multinational technology company based in Dallas, Texas, USA. It designs and manufactures semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globally. TI is known for its focus on developing analog chips and embedded processors, which are crucial components for various electronic devices. The company ranks among the top semiconductor companies in the world.
Application
The TPS61500PWPR is a high-efficiency boost converter designed for applications requiring step-up voltage conversion. Key application areas include:
1. LED Backlighting: It is used in driving LED backlighting for LCD displays in automotive, industrial, and consumer electronics.
2. Portable Devices: Suitable for powering OLED displays, high-power LEDs, and flashlights in portable devices like smartphones and tablets.
3. Battery-Powered Systems: Efficiently boosts battery voltage in battery-powered applications, ensuring longer battery life.
4. Industrial Lighting: Used in powering industrial lighting systems requiring constant current output.
5. Consumer Electronics: Supports consumer electronics needing a regulated supply voltage above the input voltage.
These applications benefit from the TPS61500PWPR's high efficiency, low noise, and wide input voltage range.
1. LED Backlighting: It is used in driving LED backlighting for LCD displays in automotive, industrial, and consumer electronics.
2. Portable Devices: Suitable for powering OLED displays, high-power LEDs, and flashlights in portable devices like smartphones and tablets.
3. Battery-Powered Systems: Efficiently boosts battery voltage in battery-powered applications, ensuring longer battery life.
4. Industrial Lighting: Used in powering industrial lighting systems requiring constant current output.
5. Consumer Electronics: Supports consumer electronics needing a regulated supply voltage above the input voltage.
These applications benefit from the TPS61500PWPR's high efficiency, low noise, and wide input voltage range.
Package
The TPS61500PWPR is a boost converter IC from Texas Instruments. It comes in a TSSOP-16 package, which is a Thin Shrink Small Outline Package with 16 pins. The "PWPR" suffix indicates that it is a TSSOP package with specific tape and reel packaging for automated assembly.
