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Product Detailed Parameters
- Description：IC LED DRV RGLTR I2C 30MA 24WQFN
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：DC DC Regulator
- Topology：Switched Capacitor (Charge Pump)
- Internal Switch(s)：Yes
- Number of Outputs：9
- Voltage - Supply (Min)：2.7V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：2V ~ 4V
- Current - Output / Channel：30mA
- Frequency：1.27MHz
- Dimming：I2C
- Applications：Backlight
- Operating Temperature：-30°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：24-WFQFN Exposed Pad
- Supplier Device Package：24-WQFN (4x4)
- Grade：-
- Qualification：-
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Overview
The LM27965SQ/NOPB is an LED lighting driver IC from Texas Instruments, designed for dual display white LED applications. It features an I2C control interface and utilizes a charge pump topology. The device provides eight constant current outputs with a maximum output current of 180 mA per channel. It operates within an input voltage range of 2.7 V to 5.5 V and supports an output voltage range of 2 V to 4 V. The switching frequency ranges from 890 kHz to 1.57 MHz. The component is housed in a WQFN-24 package and functions within a temperature range of -30°C to +85°C.
Feature Summary
- Integrates I2C control interface for digital regulation and configuration
- Employs charge pump topology for efficient DC-DC conversion
- Provides multiple constant current channels for uniform LED driving
Applications
- Dual display white LED drivers
- LED lighting systems requiring I2C control
- Portable electronic devices with backlighting needs
Procurement Notes
Verify the specific suffix 'SQ' against the official datasheet to confirm package type and tape/reel specifications. Ensure the 'NOPB' designation aligns with RoHS compliance requirements for your assembly process. Cross-reference the manufacturer part number with authorized distributors to confirm current production status and availability constraints.
Selection Notes
Select this component when designing circuits requiring independent I2C-controlled LED channels. Consider the WQFN-24 package size for space-constrained layouts. Verify that the required output current does not exceed the 180 mA limit per channel. Ensure the system power supply remains within the 2.7 V to 5.5 V operating range for stable performance.
Part Context
This device belongs to the LM27965 series of LED drivers. It is categorized under LED Lighting Driver ICs within Texas Instruments' portfolio. The component serves as a specialized solution for managing multiple LED strings in display applications, distinguishing itself through integrated digital control capabilities compared to analog-only counterparts.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Consult the manufacturer's official selection guide or contact technical support for verified alternatives if this component is obsolete or unavailable.
