Texas Instruments TPS657095YFFT

Overview

TPS657095YFFT from Texas Instruments is a highly integrated power management unit (PMU) designed specifically for embedded camera modules in portable consumer electronics. It integrates two 100mA LDOs (VLDO1 = 1.8V, VLDO2 = 1.2V), an I²C-programmable LED current sink (up to 10mA), a programmable clock generator (24MHz crystal input, CLKOUT configurable at 3/6/12/24MHz), one GPO, one GPIO, and 4KB user OTP memory - all in a 16-ball DSBGA package.

For engineers reviewing the TPS657095YFFT datasheet, TPS657095YFFT pinout, TPS657095YFFT application, or TPS657095YFFT equivalent, key selection considerations include its dual-LDO sequencing control via I²C, PWM-dimmable privacy LED driver with automatic oscillator enable, low-noise 1.8V/1.2V outputs with ±1.5% accuracy, and compact 1.7mm × 1.7mm footprint optimized for space-constrained camera module designs.

Technical Context

The TPS657095YFFT implements a tightly coupled power-and-timing architecture: both LDOs are powered from a common 3.7–6V VCC/AVCC rail and feature independent enable/control via I²C registers; the LED current sink (ISINK) and CLKOUT buffer are internally supplied by VLDO1, requiring LDO1 activation before functional use. The device includes hardware-level UVLO (3.6V threshold) and thermal shutdown (150°C), with output discharge resistors (200–550Ω) enabling controlled ramp-down during brownout.

Its clock subsystem uses an external 24MHz fundamental-mode crystal (XO/XI pins) to drive both the CLKOUT buffer (with programmable division ratios) and the internal PWM dimming engine - eliminating need for separate timing components. All digital interfaces (SCL/SDA, GPIO, GPO, LED_EN) operate with level-shifted logic referenced to VLDO1, supporting 1.3–3.3V I/O voltage ranges.

Key Specifications

Pinout & Package

TPS657095YFFT is housed in a 16-ball die-size ball grid array (DSBGA) package with 0.4mm pitch and nominal body size 1.70mm × 1.70mm. The package supports fine-pitch PCB assembly and provides low thermal resistance (RθJA = 78.2°C/W).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar power management unit applications.

Compared with TPS657095YFFT, TPS657085YFFT sacrifices OTP programmability and clock flexibility for lower cost, while MAX20024ATG+T trades integration for automotive qualification and higher current - making TPS657095YFFT optimal for consumer portable camera modules requiring compact, self-contained power-and-timing solutions.

Availability

TPS657095YFFT is available at Aetrix Electronics and suitable for embedded camera modules, privacy LED control systems, and MIPI CSI-2 sensor interfaces requiring stable component supply across laptop, tablet, and smart display production programs.

Supply support for TPS657095YFFT includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Texas Instruments is a global semiconductor company specializing in analog and embedded processing technologies, with leadership in power management, signal chain, and clock solutions for portable and industrial applications.

The TPS657095YFFT belongs to TI's embedded camera PMU product line, engineered to consolidate power regulation, LED control, and sensor clocking into a single chip for space- and power-constrained mobile imaging systems.

FAQ

What is the input voltage range supported by the TPS657095YFFT?

The TPS657095YFFT supports an input voltage range of 3.7V to 6V on its VCC and AVCC pins, making it compatible with single-cell Li-ion or Li-polymer batteries. Operation below 3.7V triggers undervoltage lockout at approximately 3.6V, disabling all functions and activating internal discharge resistors on VLDO1/VLDO2 to safely ramp down output voltages.

How does the TPS657095YFFT manage LED dimming?

The TPS657095YFFT implements hardware-based PWM dimming using its internal 24MHz crystal oscillator. When LED_EN is asserted high, the oscillator automatically enables and drives the ISINK current sink with programmable frequency (2.9–23.5kHz) and 0–99.9% duty cycle. No external PWM signal or microcontroller intervention is required - dimming is fully autonomous once configured via I²C registers.

Can the TPS657095YFFT generate multiple clock frequencies from a single crystal?

Yes, the TPS657095YFFT accepts a single 24MHz fundamental-mode crystal on XO/XI pins and generates CLKOUT at 3MHz, 6MHz, 12MHz, or 24MHz via programmable division ratios controlled by the OSC_FREQ[1:0] bits in the PWM_OSC_CNTRL register. This eliminates the need for multiple crystals or external clock dividers in camera sensor timing applications.

What is the role of the 4KB OTP memory in the TPS657095YFFT?

The 4KB user OTP memory in the TPS657095YFFT stores persistent configuration data such as default LDO voltages, CLKOUT frequency selection, GPIO/GPO initialization states, and calibration parameters. It is programmed via I²C after enabling the crystal oscillator for at least 10ms, ensuring reliable non-volatile setup without external EEPROM or flash memory.

Is the TPS657095YFFT pin-compatible with other members of the TPS6570xx family?

The TPS657095YFFT shares the same 16-ball DSBGA (YFF) package and pinout with TPS657085YFFT, enabling direct PCB reuse. However, functional differences exist: TPS657095YFFT includes 4KB OTP and programmable CLKOUT division, while TPS657085YFFT offers fixed 24MHz CLKOUT and no OTP. Both support identical LDO, LED, and I²C functionality.