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PCA9745BTWJ The PCA9745BTWJ is a 16-output LED driver IC from NXP Semiconductors. It features a SPI interface and supports up to 57mA per output in a 28HTSSOP package.
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PCA9745BTWJ

Available from 1 distributors
Mfr Name: NXP Semiconductors
NXP Semiconductors
The PCA9745BTWJ is a 16-output LED driver IC from NXP Semiconductors. It features a SPI interface and supports up to 57mA per output in a 28HTSSOP package.
✓ Total Stock: 300 pcs
$ Price Range: $0.17

PCA9745BTWJ Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
300 pcs
On Request
300 pcs On Request 1 On Request On Request 21+ On Request On Request
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PCA9745BTWJ Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Automotive Grade
Current
Dimming
Frequency
Internal Switch(s)
Mounting Type
Number of Outputs
Operating Temperature
Supplier Device Package
Topology
Type
Voltage
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PCA9745BTWJ Description

Short technical summary and product information.

The PCA9745BTWJ is an LED driver integrated circuit manufactured by NXP Semiconductors. It provides 16 outputs, each capable of driving up to 57mA, making it suitable for driving multiple LEDs in parallel. The device utilizes a Serial Peripheral Interface (SPI) for control and configuration, allowing for precise dimming and on/off control of individual LEDs. The driver is housed in a 28-lead HTSSOP (Thin Shrink Small Outline Package) with an exposed pad for improved thermal dissipation. This package is suitable for surface-mount assembly and is commonly used in space-constrained applications. The PCA9745BTWJ is designed for LED lighting applications that require multiple independent channels, such as status indicators, backlighting, or signage. The SPI interface enables daisy-chaining of multiple devices for expanded channel count. The driver operates with a single supply voltage, and the output current is set via an external resistor. The 16 outputs can be grouped or individually controlled, providing flexibility in design. The device includes built-in thermal shutdown and undervoltage lockout for protection.

PCA9745BTWJ Quick Information

Product Type: LED Driver
Canonical Name: PCA9745BTWJ 16-Output LED Driver with SPI Interface
Subcategory: LED Drivers

PCA9745BTWJ Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

PCA9745BTWJ Estimated Pricing

Qty Low High
1+ $0.17 $0.17

Estimated market price range - modelled values for guidance only, not live distributor offers.

PCA9745BTWJ Features

  • Supports 16 constant current LED outputs.
  • Uses SPI-compatible 4-wire serial interface.
  • Provides individual 8-bit PWM per channel.
  • Includes group PWM with adjustable frequency.
  • Features open and short load detection.

PCA9745BTWJ Applications

  • Ideal for multi-channel LED lighting applications.
  • Used in automotive interior and exterior lighting.
  • Suitable for backlighting in displays and panels.
  • Common in industrial status indicators and signage.

PCA9745BTWJ FAQs

4 frequently asked questions generated from this part’s specifications.
How many outputs does the PCA9745BTWJ have?

16 outputs.

What is the maximum output current per channel?

57mA.

What package type is the PCA9745BTWJ available in?

28HTSSOP.

What communication interface does the PCA9745BTWJ use?

SPI (Serial Peripheral Interface).

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