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Спецификации
| Атрибут | Ценность |
| Package | Tube |
| Series | Automotive, AEC-Q100 |
| ProductStatus | Active |
| Type | DC DC Regulator |
| Topology | SEPIC, Step-Down (Buck), Step-Up (Boost) |
| InternalSwitch(s) | Yes |
| NumberofOutputs | 2 |
| Voltage-Supply(Min) | 4.55V |
| Voltage-Supply(Max) | 40V |
| Voltage-Output | 4.75V ~ 5.25V |
| Current-Output/Channel | 150mA |
| Frequency | 200kHz ~ 2MHz |
| Dimming | PWM |
| Applications | Automotive, Backlight |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 20-WFQFN Exposed Pad |
Обзор
Description
The MAX16838ATP/V+ is a high-performance LED driver IC designed for automotive and general lighting applications. It is manufactured by Maxim Integrated, now part of Analog Devices. This device integrates a high-side current-sense amplifier, a PWM dimming control, and an internal switching MOSFET driver. It supports both boost and SEPIC (Single-Ended Primary-Inductor Converter) topologies, offering flexibility in design. The IC operates over a wide input voltage range, making it suitable for automotive battery systems and other varying voltage environments.
The MAX16838ATP/V+ features include programmable switching frequency, fault detection, and protection mechanisms such as over-voltage, over-current, and thermal shutdown, ensuring reliable operation. It also supports analog and PWM dimming for precise control over LED brightness. The device comes in a compact TQFN package, which helps save space on circuit boards.
Overall, the MAX16838ATP/V+ is ideal for LED lighting solutions requiring efficiency, reliability, and flexibility, commonly applied in automotive headlights, daytime running lights, and other advanced lighting systems.
The MAX16838ATP/V+ features include programmable switching frequency, fault detection, and protection mechanisms such as over-voltage, over-current, and thermal shutdown, ensuring reliable operation. It also supports analog and PWM dimming for precise control over LED brightness. The device comes in a compact TQFN package, which helps save space on circuit boards.
Overall, the MAX16838ATP/V+ is ideal for LED lighting solutions requiring efficiency, reliability, and flexibility, commonly applied in automotive headlights, daytime running lights, and other advanced lighting systems.
Equivalent
The MAX16838ATP/V+ is a high-brightness LED driver with an integrated boost controller. Equivalent products include:
1. Texas Instruments LM3409 - A similar LED driver with a focus on high efficiency.
2. ON Semiconductor NCL30170 - Offers similar functionality for high-brightness LED applications.
3. Linear Technology LT3755 - A versatile LED driver with integrated boost, buck, and buck-boost modes.
4. Infineon ILD6150 - Suited for driving high-power LEDs with PWM dimming capability.
Ensure compatibility based on specific design requirements before selecting an equivalent.
1. Texas Instruments LM3409 - A similar LED driver with a focus on high efficiency.
2. ON Semiconductor NCL30170 - Offers similar functionality for high-brightness LED applications.
3. Linear Technology LT3755 - A versatile LED driver with integrated boost, buck, and buck-boost modes.
4. Infineon ILD6150 - Suited for driving high-power LEDs with PWM dimming capability.
Ensure compatibility based on specific design requirements before selecting an equivalent.
Features
The MAX16838ATP/V+ is a high-performance LED driver IC designed for automotive and general lighting applications. Key features include:
1. Wide Input Voltage Range: Operates from 4.75V to 40V, making it suitable for both automotive and other demanding environments.
2. Current Mode Control: Ensures stable LED current regulation with excellent transient response.
3. PWM Dimming: Supports high-frequency PWM dimming for precise brightness control, with a dimming ratio up to 10,000:1.
4. Fault Protection: Includes robust fault protection features such as overvoltage, undervoltage, overcurrent, and overtemperature protection to enhance reliability.
5. Synchronization Capability: Allows for synchronization with an external clock to minimize interference and improve system performance.
6. Adjustable Switching Frequency: Offers flexibility with adjustable switching frequencies from 100kHz to 1MHz.
7. Compact Package: Provided in a thermally enhanced TQFN package, which aids in efficient heat dissipation.
These features make the MAX16838ATP/V+ an efficient and versatile solution for driving high-power LEDs in various lighting applications.
1. Wide Input Voltage Range: Operates from 4.75V to 40V, making it suitable for both automotive and other demanding environments.
2. Current Mode Control: Ensures stable LED current regulation with excellent transient response.
3. PWM Dimming: Supports high-frequency PWM dimming for precise brightness control, with a dimming ratio up to 10,000:1.
4. Fault Protection: Includes robust fault protection features such as overvoltage, undervoltage, overcurrent, and overtemperature protection to enhance reliability.
5. Synchronization Capability: Allows for synchronization with an external clock to minimize interference and improve system performance.
6. Adjustable Switching Frequency: Offers flexibility with adjustable switching frequencies from 100kHz to 1MHz.
7. Compact Package: Provided in a thermally enhanced TQFN package, which aids in efficient heat dissipation.
These features make the MAX16838ATP/V+ an efficient and versatile solution for driving high-power LEDs in various lighting applications.
Pinout
The MAX16838ATP/V+ is a high-brightness LED driver IC designed for automotive and general lighting applications. It is housed in a 20-pin TQFN package. The pin functions include:
1. VDD: Logic supply voltage.
2. EN: Enable input for the IC.
3. STOV: Short-to-ground/open-load detection input.
4. FSET: Frequency setting for the switching regulator.
5. RT: Resistor timing input for programming the LED current.
6. COMP1/COMP2: Compensation for the boost and buck converters.
7. CS1/CS2: Current-sense inputs for the boost and buck converters.
8. FB1/FB2: Feedback inputs for regulating output voltage.
9. DIM: PWM dimming input.
10. SS1/SS2: Soft-start inputs.
11. BST1/BST2: Bootstrap inputs for the buck converter.
12. DL1/DL2: Low-side gate drive outputs.
13. DH1/DH2: High-side gate drive outputs.
14. LX1/LX2: Inductor connection for the converters.
15. OVP: Over-voltage protection input.
16. GND: Ground connection.
This IC is utilized for efficient power management and control in LED lighting applications, offering protection features like short-circuit, over-voltage, and thermal shutdown.
1. VDD: Logic supply voltage.
2. EN: Enable input for the IC.
3. STOV: Short-to-ground/open-load detection input.
4. FSET: Frequency setting for the switching regulator.
5. RT: Resistor timing input for programming the LED current.
6. COMP1/COMP2: Compensation for the boost and buck converters.
7. CS1/CS2: Current-sense inputs for the boost and buck converters.
8. FB1/FB2: Feedback inputs for regulating output voltage.
9. DIM: PWM dimming input.
10. SS1/SS2: Soft-start inputs.
11. BST1/BST2: Bootstrap inputs for the buck converter.
12. DL1/DL2: Low-side gate drive outputs.
13. DH1/DH2: High-side gate drive outputs.
14. LX1/LX2: Inductor connection for the converters.
15. OVP: Over-voltage protection input.
16. GND: Ground connection.
This IC is utilized for efficient power management and control in LED lighting applications, offering protection features like short-circuit, over-voltage, and thermal shutdown.
Manufacturer
The MAX16838ATP/V+ is manufactured by Analog Devices, Inc. It is a multinational semiconductor company that specializes in designing and manufacturing analog, mixed-signal, and digital signal processing integrated circuits used in electronic equipment. The company's products are used in various industries, including automotive, industrial, communications, and consumer electronics. Analog Devices is known for its innovation and focus on high-performance, high-reliability semiconductor solutions.
Package
The MAX16838ATP/V+ is a high-brightness LED driver IC from Maxim Integrated, and it comes in a TQFN (Thermally Enhanced Thin Quad Flat No-Lead) package.
