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Product Detailed Parameters
- Description：IC LED DRIVER PS PWM 25MA 16SO
- Series：-
- Mfr：NXP USA Inc.
- Package：Tape & Reel (TR)
- Type：Power Switch
- Topology：-
- Internal Switch(s)：Yes
- Number of Outputs：4
- Voltage - Supply (Min)：2.3V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：5.5V
- Current - Output / Channel：25mA
- Frequency：-
- Dimming：I2C
- Applications：Backlight
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：16-SO
- Grade：-
- Qualification：-
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Overview
The PCA9633D16,118 is a 4-bit Fm+ I2C-bus LED driver manufactured by NXP Semiconductors. It operates within an input voltage range of 2.3 V to 5.5 V and supports output currents up to 25 mA per channel. The device features a boost topology and communicates via an I2C interface with frequencies from 100 kHz to 1 MHz. It is housed in a 16-lead SO package (SO16) with dimensions of 9.9 mm x 3.9 mm x 1.35 mm. The component functions across a temperature range of -40°C to +85°C.
Feature Summary
- Supports 4-bit independent LED control via Fm+ I2C bus interface
- Integrates boost topology for voltage switching applications
- Provides precise current control capabilities for LED dimming
Applications
- LED lighting systems requiring precise current regulation
- General-purpose LED driver circuits
- Voltage switch LED driver implementations
Procurement Notes
Verify the specific package variant against official documentation, as suffixes may indicate different physical footprints or lead finishes. Confirm RoHS compliance status through the manufacturer's latest datasheet. Ensure the ordering code matches the required 16-lead SO package configuration. Cross-reference the part number with NXP's official product selection guide to validate availability and lifecycle status before procurement.
Selection Notes
Select this component when a 4-channel LED driver with integrated boost functionality is required. The 16-lead SO package suits surface-mount applications needing moderate pin counts. Verify that the 25 mA output current meets load requirements. Ensure the I2C address configuration aligns with system constraints. Consider thermal dissipation limits within the specified operating temperature range during design integration.
Part Context
This part belongs to the PCA9633 series of LED drivers. It shares core functionalities with variants like PCA9633DP1 and PCA9633PW but differs in packaging. The D16 suffix specifically denotes the 16-lead Small Outline package. This distinguishes it from TSSOP or HVSON alternatives within the same family while maintaining identical electrical performance characteristics.
Replacement Considerations
Direct substitutes include other PCA9633 variants such as PCA9633PW,118 or PCA9633DP1,118 if package compatibility allows. Verify pinout alignment between SO16 and alternative packages. Ensure functional equivalence regarding I2C speed and output current ratings. Check for any differences in thermal performance or power dissipation specifications.
