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MP3389EF-LF-Z
+BOMIC LED DRV CTRL PWM 60MA 28TSSOP
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メーカーモノリシックパワーシステムズ株式会社
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メーカー品番 #MP3389EF-LF-Z
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在庫状況3829
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 |
| Part Status | Active |
| Type | DC DC Controller |
| Topology | Step-Up (Boost) |
| Internal Switch(s) | No |
| Number of Outputs | 12 |
| Voltage - Supply (Min) | 5V |
| Voltage - Supply (Max) | 28V |
| Current - Output / Channel | 60mA |
| Dimming | PWM |
| Applications | Backlight |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | 28-TSSOP (0.173", 4.40mm Width) Exposed Pad |
| Supplier Device Package | 28-TSSOP-EP |
| Base Product Number | MP3389 |
概要
Description
The MP3389EF-LF-Z is a high-efficiency, step-up converter designed for LED applications, typically used in LCD backlighting. It integrates multiple functions to drive up to six strings of LEDs with a high-current accuracy. The device operates in a fixed-frequency mode, providing a stable and efficient power supply to the LED strings. Its key features include an internal power switch, current-mode control, and comprehensive protection mechanisms like over-voltage protection (OVP), over-current protection (OCP), and under-voltage lockout (UVLO).
The MP3389EF-LF-Z is designed to operate over a wide input voltage range, making it adaptable for various applications. It offers a high level of integration, reducing the need for external components, which simplifies the design process and minimizes the overall footprint. The device also supports PWM and analog dimming, giving flexibility in controlling LED brightness. Suitable for use in televisions, monitors, and other displays, the MP3389EF-LF-Z provides a reliable and efficient solution for modern LED backlighting needs.
The MP3389EF-LF-Z is designed to operate over a wide input voltage range, making it adaptable for various applications. It offers a high level of integration, reducing the need for external components, which simplifies the design process and minimizes the overall footprint. The device also supports PWM and analog dimming, giving flexibility in controlling LED brightness. Suitable for use in televisions, monitors, and other displays, the MP3389EF-LF-Z provides a reliable and efficient solution for modern LED backlighting needs.
Equivalent
The MP3389EF-LF-Z is a step-up, WLED driver chip by Monolithic Power Systems. Equivalent products might include the TPS61165 by Texas Instruments, LT3476 by Analog Devices, and the MAX16834 by Maxim Integrated. When considering equivalents, it's important to compare specifications like input voltage range, output current, and switching frequency to ensure compatibility with your specific application. Always verify the details in the datasheet of each component to ensure it meets your design requirements.
Features
The MP3389EF-LF-Z is a high-efficiency step-up converter designed for driving up to six strings of LEDs, with a maximum of 10 LEDs per string. Key features include:
1. Wide Input Voltage Range: It supports a broad input range from 4.5V to 33V.
2. Current Balance: The device ensures excellent current balance across each LED string to maintain uniform brightness.
3. Dimming Control: It offers both analog and PWM dimming for flexible brightness control.
4. High Efficiency: The converter is designed for high efficiency, optimizing power usage for LED applications.
5. Protection Features: It includes comprehensive protection mechanisms such as over-voltage, over-current, and thermal shutdown to ensure reliability and safety.
6. Fault Flag Output: The fault flag output indicates system faults, aiding in diagnostics and maintenance.
7. Compact Package: It comes in a compact TSSOP-28 package, suitable for space-constrained applications.
These features make the MP3389EF-LF-Z ideal for use in LCD backlighting, automotive lighting, and other applications requiring multiple LED strings.
1. Wide Input Voltage Range: It supports a broad input range from 4.5V to 33V.
2. Current Balance: The device ensures excellent current balance across each LED string to maintain uniform brightness.
3. Dimming Control: It offers both analog and PWM dimming for flexible brightness control.
4. High Efficiency: The converter is designed for high efficiency, optimizing power usage for LED applications.
5. Protection Features: It includes comprehensive protection mechanisms such as over-voltage, over-current, and thermal shutdown to ensure reliability and safety.
6. Fault Flag Output: The fault flag output indicates system faults, aiding in diagnostics and maintenance.
7. Compact Package: It comes in a compact TSSOP-28 package, suitable for space-constrained applications.
These features make the MP3389EF-LF-Z ideal for use in LCD backlighting, automotive lighting, and other applications requiring multiple LED strings.
Pinout
The MP3389EF-LF-Z is a LED driver IC produced by Monolithic Power Systems. It is specifically designed for driving multiple strings of high-power LEDs. This IC is packaged in a 20-pin TSSOP (Thermally Enhanced Thin Shrink Small Outline Package) with exposed pad for improved thermal performance.
Here's a brief summary of its pin functions:
1. VIN: Input voltage supply.
2. EN: Enable pin for IC operation.
3. COMP: Compensation pin for stability and performance tuning.
4. OVP: Over-voltage protection pin.
5. FB1 to FB8: Feedback pins for connecting to the bottom of the LED strings.
6. SYNC: Synchronization input for external clock.
7. FSET: Frequency setting pin.
8. CS: Current sense pin for detecting LED current.
9. GND: Ground reference.
10. SW: Switch node connected to the inductor.
11. RT: Resistor timing pin.
12. FAULT: Fault indication output.
13. ISET: LED current setting pin.
These pins are responsible for enabling and controlling the LED driving functions, ensuring proper operation, protection, and synchronization in various applications.
Here's a brief summary of its pin functions:
1. VIN: Input voltage supply.
2. EN: Enable pin for IC operation.
3. COMP: Compensation pin for stability and performance tuning.
4. OVP: Over-voltage protection pin.
5. FB1 to FB8: Feedback pins for connecting to the bottom of the LED strings.
6. SYNC: Synchronization input for external clock.
7. FSET: Frequency setting pin.
8. CS: Current sense pin for detecting LED current.
9. GND: Ground reference.
10. SW: Switch node connected to the inductor.
11. RT: Resistor timing pin.
12. FAULT: Fault indication output.
13. ISET: LED current setting pin.
These pins are responsible for enabling and controlling the LED driving functions, ensuring proper operation, protection, and synchronization in various applications.
Manufacturer
The MP3389EF-LF-Z is manufactured by Monolithic Power Systems, Inc. (MPS). MPS is a semiconductor company that designs, develops, and markets integrated power solutions. They specialize in power management, battery management, and other analog and mixed-signal integrated circuits for a wide range of markets, including automotive, industrial, telecommunications, computing, and consumer electronics. MPS is known for its innovative approach to efficient power delivery and management, providing advanced solutions to improve energy efficiency and performance in electronic devices.
Application
The MP3389EF-LF-Z is a high-efficiency, step-up converter primarily used in LED backlighting applications. Its main application areas include LCD TVs, monitors, and other display panels that require efficient LED backlighting solutions. The device supports multiple output channels, making it suitable for medium to large-sized displays. Additionally, it can be used in automotive and industrial displays, where reliability and efficiency are critical. Its ability to provide precise current regulation and fault protection enhances its suitability for applications demanding consistent brightness and performance.
Package
The MP3389EF-LF-Z is typically available in a 28-lead TSSOP (Thin Shrink Small Outline Package) with exposed thermal pad, which allows for enhanced heat dissipation.
