5.5-V 6-A synchronous step-down converter with I²C interface in 1.5-mm x 2.5-mm QFN package
Product details
Parameters
Package | Pins | Size
Features
- 11-mΩ and 10.5-mΩ internal power MOSFETs
- >90% efficiency (0.9-V output)
- DCS-Control topology for fast transient response
- Available output voltage ranges for dynamic voltage scaling (DVS) through I2C
- Output voltage range from 0.2-V to 0.8375-V with 2.5-mV step size
- Output voltage range from 0.4-V to 1.675-V with 5-mV step size
- Output voltage range from 0.8-V to 3.35-V with 10-mV step size
- 1% output voltage accuracy
- 2.4-MHz switching frequency
- Selection by external resistor
- Start-up output voltage
- I2C slave address
- Selection by I2C interface
- Power save mode or forced PWM mode
- Output discharge
- Hiccup or latching short-circuit protection
- Output voltage ramp speed
- Thermal pre-warning and thermal shutdown
- Power good indicator pin option with window comparator
- I2C-compatible interface up to 3.4 Mbps
- Available in 1.5-mm x 2.5-mm x 1.0-mm 9-pin QFN package with 0.5-mm pitch
- Also available in WCSP package: TPS62866, 6-A synchronous step-down converter with I2C interface in 1.05-mm x 1.78-mm WCSP package
- Create a custom design using with TPS62868/9 with the WEBENCH Power Designer
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Description
The TPS62868 and TPS62869 devices are high-frequency synchronous step-down converters with I2C interface which provide an efficient, adaptive, and high power-density solution. At medium to heavy loads, the converter operates in PWM mode and automatically enters Power Save Mode operation at light load to maintain high efficiency over the entire load current range. The device can also be forced in PWM mode operation for smallest output voltage ripple. Together with its DCS-Control architecture, excellent load transient performance and tight output voltage accuracy are achieved. Through the I2C interface and a dedicated VID pin, the output voltage is quickly adjusted to adapt the power consumption of the load to the ever-changing performance needs of the application.
Pin-for-pin with same functionality to the compared device.
Similar functionality to the compared device.
Technical documentation
| Type | Title | Date | |
|---|---|---|---|
| * | Data sheet | TPS62868x 2.4-V to 5.5-V Input, 4-A/6-A Synchronous Step-Down Converter with I2C Interface in QFN Package datasheet (Rev. A) | Dec. 03, 2020 |
| Application note | Benefiting from Step-Down Converters with an I²C Communication Interface | May 17, 2021 | |
| User guide | TPS628690EVM-135 Evaluation Module | May 10, 2021 | |
| User guide | TPS62869EVM-118 Evaluation Module (Rev. A) | Mar. 28, 2021 | |
| White paper | Enabling Higher Data Rates for Optical Modules With Small and Efficient Power | Mar. 22, 2021 | |
| Application note | Thermal Performance Optimization of High Power Density Buck Converters | Feb. 23, 2021 | |
| Certificate | TPS62869EVM-118 EU Declaration of Conformity (DoC) | Jul. 21, 2020 | |
| Technical article | Advantages of scalability: from Peter Parker to pin-strapping | Apr. 30, 2020 | |
| Technical article | Minimize the impact of the MLCC shortage on your power application | Mar. 29, 2019 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.Hardware development
Description
The TPS628690EVM-135 evaluation module (EVM) facilitates the evaluation of the TPS62869, a 6-A step-down converter with DCS-Controlin in a small 1.5-mm by 2.5-mm QFN package solution. The EVM creates output voltages between 0.2 V and 0.8375 V with 1% accuracy output voltages from higher input (...)
Features
- 2.4-V to 5.5-V input voltage range
- 1% feedback or output voltage accuracy (full temperature range)
- 6-A output current
- Pin-to-pin 4-A device TPS628680
- QFN package
Description
Features
- 2.4-V to 5.5-V input voltage range
- 0.4-V to 1.675-V programmable output voltage via I²C
- 6-A output current
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 |
|---|---|---|
| VQFN-HR (RQY) | 9 | View options |
Ordering & quality
- RoHS
- REACH
- Device marking
- Lead finish/Ball material
- MSL rating/Peak reflow
- MTBF/FIT estimates
- Material content
- Qualification summary
- Ongoing reliability monitoring
Recommended products may have parameters, evaluation modules or reference designs related to this TI product.
Support & training
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