Dual-channel D-CAP+, dual-channel (N+M<= 7 phases) step-down, multiphase controller with AVSBus
Product details
Parameters
Package | Pins | Size
Features
- Input voltage range: 4.5 V to 17 V
- Output voltage range: 0.25 V to 5.5 V
- Per-phase switching frequency range: 300 kHz to 2000 kHz
- Dual output supporting N+M phase configurations (N+M ≤ 7, M ≤ 3)
- AVSBus compliant, per PMBus 1.3.1 part III
- PMBus v1.3.1 system interface for configuration, control and telemetry of voltage, current, power, temperature, and fault status
- Adaptive voltage scaling (AVS) through VOUT_COMMAND
- Enhanced D-CAP+ control to provide super transient performance with excellent dynamic current sharing
- Programmable loop compensation
- Flexible phase-firing order
- External pinstrap for Ch. A boot voltage settings
- Individual phase current calibrations and reporting
- Phase thermal balance management (TBM)
- Full support for dynamic phase shedding (DPS)
- Fast phase-adding for undershoot reduction (USR)
- Body-diode braking for overshoot reduction (OSR)
- Driverless configuration for efficient high-frequency switching
- Fully Compatible with TI NexFET™ power stage for high-density solutions
- Accurate, programmable adaptive voltage positioning (AVP)
- Patented AutoBalance™ phase balancing
- 6 mm × 6 mm, 48-pin, QFN package
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Description
The TPS53676 is a step-down controller with dual channels, built-in non-volatile memory (NVM), and PMBus™ compatible serial interface, and is fully compatible with TI NexFET™ smart power stage. Advanced control features such as D-CAP+™ architecture provide fast transient response, low output capacitance, and good current sharing. The device also provides novel phase interleaving strategy and flexible firing sequences to improve thermal performance. Adjustable control of output voltage slew rate and voltage positioning are also supported. In addition, the device supports the PMBus communication interface for reporting the telemetry of voltage, current, power, temperature, and fault conditions to the system host. All programmable parameters can be configured by the serial interface and can be stored in NVM as the new default values to minimize the external component count.
The TPS53676 device if offered in a thermally enhanced 48-pin QFN packaged and is rated to operate from –40°C to 125°C.
Similar but not functionally equivalent to the compared device:
Technical documentation
| Type | Title | Date | |
|---|---|---|---|
| * | Datasheet | TPS53676 Dual Channel 6+1 Multiphase Controller with AVSBus datasheet | Dec. 14, 2020 |
| User guide | Using the TPS53676 step-down controller EVM | Mar. 23, 2021 | |
| User guide | TPS536C7 TRM | Mar. 13, 2019 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.Hardware development
Description
The TPS53676EVM evaluation module (EVM) allows users to evaluate The TPS53676 controller.
The Controller is dual channel (6+0, 6+1 or 5+2 phases), D-CAP+ synchronous buck driverless control with PMBus Interface. The device operates using a voltage supply between 4.5 V and 17 V. The controller allows (...)
Features
- Configurable to 7+0, 6+1 or 5+2 phases
- Test support for high power (250A) ASIC
- Support for dynamic load
- Thermal balance
- Flexi-phase management
Software development
Features
Some of the tasks you can perform with the GUI include:
- Turn on or off the power supply output, either through the hardware control line or the PMBus OPERATION command
- Monitor real-time data. Items such as input voltage, output voltage, output current, temperature, and warnings/faults are continuously (...)
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 (RSL) | 48 | 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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