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Product Detailed Parameters
- Description：IC LED DRVR RGLTR PWM 30MA 24QFN
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR)
- Type：DC DC Regulator
- Topology：Step-Up (Boost)
- Internal Switch(s)：Yes
- Number of Outputs：6
- Voltage - Supply (Min)：4.8V
- Voltage - Supply (Max)：28V
- Voltage - Output：40V
- Current - Output / Channel：30mA
- Frequency：-
- Dimming：Analog, PWM
- Applications：Backlight
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：24-WFQFN Exposed Pad
- Supplier Device Package：24-QFN (4x4)
- Grade：-
- Qualification：-
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Overview
The PAM2846KR is a six-channel LED boost driver manufactured by Diodes Incorporated. It integrates a step-up DC-DC converter with an internal switch to drive up to six independent LED strings. The device supports both analog and PWM dimming methods for brightness control. It operates within a supply voltage range of 2.7V to 5.5V and delivers a regulated output current of 30mA per channel. The component is housed in a compact 24-QFN (4x4mm) package, designed for efficient space-constrained lighting applications.
Feature Summary
- Integrates a high-efficiency boost converter with internal power switches for multi-string LED driving
- Supports dual dimming modes including analog current adjustment and high-frequency PWM control
- Provides precise constant current regulation across multiple independent LED channels
Applications
- Backlighting systems for mobile devices and portable electronics
- General illumination using multi-string LED arrays
- Automotive interior lighting modules requiring compact drivers
Procurement Notes
Verify the specific suffix against official Diodes Incorporated documentation to confirm pinout and thermal characteristics. Confirm product status as obsolete or active through authorized distributors before procurement planning. Ensure compatibility with existing PCB footprints for the 24-QFN package. Validate that the required dimming interface matches the component's analog or PWM input specifications.
Selection Notes
Select this component when designing circuits requiring independent control of multiple LED strings from a single boost regulator. It is suitable for applications needing precise 30mA current regulation with integrated switching capabilities. Consider the 24-QFN package size for space-limited designs. Ensure the input voltage source falls within the specified operating range for stable boost conversion performance.
Part Context
The PAM2846KR belongs to the PAM28 series of LED lighting drivers from Diodes Incorporated. This series focuses on integrated solutions for driving white LEDs in portable and general lighting applications. The KR suffix typically denotes a specific tape and reel packaging configuration or variant within the broader PAM28 family, distinguishing it from other package options like the standard PAM2846.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided reference data. Verify cross-compatibility with other PAM28 series variants only if datasheet parameters match exactly.
