Overview
The TCA6507PWR, manufactured by Texas Instruments, is a low-voltage 7-bit I2C and SMBus LED driver designed for driving LEDs and general-purpose parallel output expansion. This device features two independent banks of LED drivers (BANK0 and BANK1), each capable of being independently controlled for dimming rate and intensity via the I2C bus. The TCA6507PWR handles all pulse width modulation (PWM) logic, allowing the microcontroller to focus on other tasks, thus enhancing system efficiency. It includes an internal power-on reset and supports a wide range of operating temperatures from -40°C to 85°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Outputs | 7 | - |
| Operating Temperature Range | -40 to 85 | °C |
| Package Type | TSSOP-14 | - |
| VCC (Min) | 1.65 | V |
| VCC (Max) | 3.6 | V |
| fSCLK (Max) | 0.4 | MHz |
| Output Current (Max) | 40 | mA |
| I2C Address | 1000101 | - |
| Special Features | Enable Pin, Open-Drain I/O Type, 5V Tolerant I/O, On-Chip Power-on-Reset, Low Voltage | - |
Key Features
- Two independent banks of LED drivers (BANK0 and BANK1) with programmable dimming and blink rates.
- Open-drain outputs capable of sinking current up to 40 mA.
- I2C and SMBus compatibility.
- Internal power-on reset and ambient light detection (ALD) feature.
- 5V tolerant I/O and low voltage operation (1.65V to 3.6V).
- Programmable intensity control and shutdown capability.
Applications
The TCA6507PWR is suitable for various applications requiring LED lighting control, such as:
- Automotive lighting systems.
- Consumer electronics with LED indicators.
- Industrial control panels and displays.
- Smart home devices with LED lighting.
Q & A
- What is the operating temperature range of the TCA6507PWR?
The operating temperature range is from -40°C to 85°C. - How many outputs does the TCA6507PWR have?
The device has 7 outputs. - What is the maximum current each output can sink?
Each output can sink up to 40 mA. - What communication protocols does the TCA6507PWR support?
The device supports I2C and SMBus protocols. - What is the voltage range for VCC?
The VCC voltage range is from 1.65V to 3.6V. - Does the TCA6507PWR have an internal power-on reset?
Yes, it has an internal power-on reset. - Can the TCA6507PWR be used for general-purpose parallel output expansion?
Yes, it can be used for general-purpose parallel output expansion. - How many banks of LED drivers does the TCA6507PWR have?
The device has two independent banks of LED drivers (BANK0 and BANK1). - Is the TCA6507PWR RoHS compliant?
Yes, the TCA6507PWR is RoHS compliant. - What is the maximum clock frequency for the I2C bus?
The maximum clock frequency for the I2C bus is 0.4 MHz.
