Overview
The TPS68470YFFR is an advanced power management unit (PMU) designed by Texas Instruments. This device is specifically tailored for powering Compact Camera Modules (CCM) and other similar applications. It integrates a high-efficiency buck converter, a dual flash LED driver, and various linear regulators to provide all the necessary power rails for a CCM. The TPS68470YFFR also includes a reference clock generator, an I2C interface, and multiple GPIOs, making it a comprehensive solution for camera module power management.
Key Specifications
| Parameter | Min | Unit | ||
|---|---|---|---|---|
| Input Voltage (3V3_VDD, 3V3_SUS) | 2.97 | 3.3 | 3.63 | V |
| Output Voltage (CORE) | 0.9 | - | 1.95 | V |
| Output Current (CORE) | - | - | 500 | mA |
| Boost Converter Output Voltage (WLED_OUT) | 3.68 | - | 5.48 | V |
| LED Current Drivers | - | - | 1 A each | A |
| Operating Temperature Range | 0 | - | 85 | °C |
| Package Type | - | - | DSBGA (56-pin) | - |
Key Features
- High-Efficiency Buck Converter: Output current up to 500 mA, output voltage selectable from 0.9 V to 1.95 V.
- Dual Flash LED Driver: High-efficiency boost converter, adaptive output voltage regulation, low side LED current drivers, LED temperature monitoring, and open/short LED detection/protection.
- Linear Regulators: Linear regulator for sensor analog supply, programmable PLL, and crystal oscillator.
- I2C Interface: For communication and configuration.
- GPIOs: Seven GPIOs available for various applications.
- System Reset: Platform reset input and sensor reset capabilities.
- Multiple LDOs: Five additional LDOs for generic, sensor IO, VCM driver, and auxiliary supplies.
Applications
- Compact Camera Modules (CCM)
- Detachable Ultrabooks
- Tablets
- Smartphones
Q & A
- What is the primary function of the TPS68470YFFR?
The TPS68470YFFR is a power management unit designed to power Compact Camera Modules (CCM) and generate the necessary clock for the image sensor.
- What is the output current range of the buck converter?
The buck converter can provide an output current up to 500 mA.
- What are the key features of the dual flash LED driver?
The dual flash LED driver includes a high-efficiency boost converter, adaptive output voltage regulation, low side LED current drivers, LED temperature monitoring, and open/short LED detection/protection.
- What communication interface does the TPS68470YFFR use?
The device uses an I2C interface for communication and configuration.
- How many GPIOs are available on the TPS68470YFFR?
There are seven GPIOs available.
- What is the operating temperature range of the TPS68470YFFR?
The operating temperature range is from 0°C to 85°C.
- What types of LDOs are included in the TPS68470YFFR?
The device includes LDOs for sensor analog supply, generic and sensor IO supply, VCM driver supply, and two auxiliary LDOs.
- What is the package type of the TPS68470YFFR?
The package type is a 56-pin DSBGA.
- What are some common applications of the TPS68470YFFR?
Common applications include CCM, detachable ultrabooks, tablets, and smartphones.
- Does the TPS68470YFFR have any protection features for the LEDs?
Yes, it includes open/short LED detection/protection and controlled LED current ramp-up/down.
