Automotive 2.95-V to 6-V, 4-A, 2-MHz synchronous buck converter
Product details
Parameters
Package | Pins | Size
Features
- Qualified for automotive applications
- AEC-Q100 qualified with the following results:
- Device temperature grade 1: –40°C to +125°C ambient operating temperature range
- Device HBM ESD classification level 2
- Device CDM ESD classification level C4B
- Two 12-mΩ (typical) MOSFETs for high efficiency at 4-A loads
- 200-kHz to 2-MHz switching frequency
- 0.8 V ± 1% voltage reference over temperature (–40°C to +150°C)
- Synchronizes to external clock
- Adjustable slow start and sequencing
- UV and OV power-good output
- –40°C to +150°C operating junction temperature range
- Thermally enhanced 3-mm × 3-mm 16-pin WQFN
- Pin-compatible to TPS54418
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Description
The TPS57114C-Q1 device is a full-featured 6-V, 4-A, synchronous step-down current-mode converter with two integrated MOSFETs.
The TPS57114C-Q1 device enables small designs by integrating the MOSFETs, implementing current-mode control to reduce external component count, reducing inductor size by enabling up to 2-MHz switching frequency, and minimizing the IC footprint with a small 3-mm × 3-mm thermally enhanced QFN package.
The TPS57114C-Q1 device provides accurate regulation for a variety of loads with an accurate ±1% voltage reference (Vref) over temperature.
Efficiency is maximized through the integrated 12-mΩ MOSFETs and 515-µA typical supply current. Using the enable pin, shutdown supply current is reduced to 5.5 µA by entering a shutdown mode.
The internal undervoltage lockout setting is 2.45 V, but programming the threshold with a resistor network on the enable pin can increase the setting. The slow-start pin controls the output-voltage start-up ramp. An open-drain power-good signal indicates the output is within 93% to 107% of the nominal voltage.
Frequency foldback and thermal shutdown protect the device during an overcurrent condition.
Exact equivalent in functionality and parametrics to the compared device:
Technical documentation
Design & development
For additional terms or required resources, click any title below to view the detail page where available.Hardware development
Description
The TPS57114-Q1 DC/DC converter is designed to provide up to a 4A output from an input voltage source of 2.95 V to 6 V. This evaluation module is designed to demonstrate the small printed-circuit-board (PCB) areas that may be achieved when designing with the TPS57114-Q1 regulator. The switching (...)
Features
- Adjustable output voltage (down to 0.8 V)
- Adjustable slow start time
- Adjustable undervoltage lockout
- 2 MHz switching frequency (adjustable down to 200 kHz)
- Optimized for fast load transient response
Design tools & simulation
Features
- Leverages Cadence PSpice Technology
- Preinstalled library with a suite of digital models to enable worst-case timing analysis
- Dynamic updates ensure you have access to most current device models
- Optimized for simulation speed without loss of accuracy
- Supports simultaneous analysis of multiple products
- (...)
CAD/CAE symbols
| Package | Pins | Download |
|---|---|---|
| WQFN (RTE) | 16 | View options |
Ordering & quality
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