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TPS53689T

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Dual-channel, 8-phase step-down digital multiphase D-CAP+™ controller with VR14 SVID and PMBus

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Data sheet

TPS53689T

ACTIVE
Data sheet Order now

Product details

Vin (min) (V) 4.5 Vin (max) (V) 17 Iout (max) (A) 765 Operating temperature range (°C) -40 to 125 Control mode D-CAP+ Topology Multiphase Rating Catalog Vout (min) (V) 0.25 Vout (max) (V) 5.5 Features Adjustable current limit, Dynamic Voltage Scaling, Enable, Frequency synchronization, I2C, Light Load Efficiency, Multiple Outputs, PMBus, Phase Interleaving, Power good, Pre-Bias Start-Up, Remote Sense, SVID, Synchronous Rectification, UVLO adjustable, Voltage Margining Iq (typ) (µA) 50000 Number of phases 8
Vin (min) (V) 4.5 Vin (max) (V) 17 Iout (max) (A) 765 Operating temperature range (°C) -40 to 125 Control mode D-CAP+ Topology Multiphase Rating Catalog Vout (min) (V) 0.25 Vout (max) (V) 5.5 Features Adjustable current limit, Dynamic Voltage Scaling, Enable, Frequency synchronization, I2C, Light Load Efficiency, Multiple Outputs, PMBus, Phase Interleaving, Power good, Pre-Bias Start-Up, Remote Sense, SVID, Synchronous Rectification, UVLO adjustable, Voltage Margining Iq (typ) (µA) 50000 Number of phases 8
WQFN (RSB) 40 25 mm² 5 x 5
  • Input voltage range: 4.5 V to 17 V
  • Output voltage range: 0.25 V to 5.5 V
  • Dual output supporting N+M phase configurations (N+M ≤ 8, M ≤ 4)
  • Native trans-inductor voltage regulator (TLVR) topology support, with L C open and short protection
  • Fully compatible with TI smart power stages
  • Supports voltage- and current-source Imon power stages, with internal 1 kΩ resistor
  • Support for traditional (legacy mode) and limp mode power stage fault identification
  • Supports dual side power delivery with 12"+ trace length
  • Intel VR14 SVID compliant with PSYS support
  • Backward compatible to VR13.HC/VR13.0 SVID
  • Automatic NVM fault status logging
  • Enhanced D-CAP+ control to provider superior transient performance with excellent dynamic current sharing
  • Dynamic phase shedding with programmable thresholds for optimizing efficiency at light and heavy loads
  • Configurable with non-volatile memory (NVM) for low external component count
  • Individual per-phase IMON calibration, with multi-slope gain calibration to increase system accuracy
  • Diode braking with programmable timeout for reduced transient overshoot
  • Programmable per-phase valley current limit (OCL)
  • PMBus™ v1.3.1 system interface for telemetry of voltage, current, power, temperature, and fault conditions
  • Programmable loop compensation through PMBus
  • 5.00 mm × 5.00mm, 40-pin, QFN package
  • Input voltage range: 4.5 V to 17 V
  • Output voltage range: 0.25 V to 5.5 V
  • Dual output supporting N+M phase configurations (N+M ≤ 8, M ≤ 4)
  • Native trans-inductor voltage regulator (TLVR) topology support, with L C open and short protection
  • Fully compatible with TI smart power stages
  • Supports voltage- and current-source Imon power stages, with internal 1 kΩ resistor
  • Support for traditional (legacy mode) and limp mode power stage fault identification
  • Supports dual side power delivery with 12"+ trace length
  • Intel VR14 SVID compliant with PSYS support
  • Backward compatible to VR13.HC/VR13.0 SVID
  • Automatic NVM fault status logging
  • Enhanced D-CAP+ control to provider superior transient performance with excellent dynamic current sharing
  • Dynamic phase shedding with programmable thresholds for optimizing efficiency at light and heavy loads
  • Configurable with non-volatile memory (NVM) for low external component count
  • Individual per-phase IMON calibration, with multi-slope gain calibration to increase system accuracy
  • Diode braking with programmable timeout for reduced transient overshoot
  • Programmable per-phase valley current limit (OCL)
  • PMBus™ v1.3.1 system interface for telemetry of voltage, current, power, temperature, and fault conditions
  • Programmable loop compensation through PMBus
  • 5.00 mm × 5.00mm, 40-pin, QFN package

The TPS53689T is a VR14 SVID compliant step down controller with trans-inductor voltage regulator (TLVR) topology support, two channels, built-in non-volatile memory (NVM), and PMBus™ interface, and is fully compatible with TI smart power stages. Advanced control features such as the D-CAP+ architecture provide fast transient response, low output capacitance, and good dynamic current sharing. Adjustable control of output voltage slew rate and adaptive voltage positioning are natively supported. In addition, the device supports the PMBus communication interface for reporting the telemetry of voltage, current, power, temperature, and fault conditions to the host system. All programmable parameters can be configured through the PMBus interface and can be stored in NVM as the new default values, to minimize the external component count.

The TPS53689T is a VR14 SVID compliant step down controller with trans-inductor voltage regulator (TLVR) topology support, two channels, built-in non-volatile memory (NVM), and PMBus™ interface, and is fully compatible with TI smart power stages. Advanced control features such as the D-CAP+ architecture provide fast transient response, low output capacitance, and good dynamic current sharing. Adjustable control of output voltage slew rate and adaptive voltage positioning are natively supported. In addition, the device supports the PMBus communication interface for reporting the telemetry of voltage, current, power, temperature, and fault conditions to the host system. All programmable parameters can be configured through the PMBus interface and can be stored in NVM as the new default values, to minimize the external component count.
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* Data sheet TPS53689T Dual-channel (N + M ≤ 8 phase) D-CAP+™, Step-down, Multiphase Controllers with TLVR support, PMBus and VR14 SVID Interfaces datasheet PDF | HTML 13 Sep 2023

Design & development

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Application software & framework

FUSION_DIGITAL_POWER_DESIGNER — Digital Power Software

Fusion Digital Power™ graphical user interface (GUI) software is used to configure and monitor select Texas Instruments digital power controllers and sequencer/health monitors. The application uses the PMBus protocol to communicate with the device over serial bus by way of a TI USB adapter.
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