Product details

Function Type-C Type CC controller, DC/DC converter Power role Source Alternate mode No External power path control No Data role Dataless Internal power path 5 V 1.5 A, 5 V 3 A Rating Automotive Dead battery support No Operating temperature range (C) -45 to 125
Function Type-C Type CC controller, DC/DC converter Power role Source Alternate mode No External power path control No Data role Dataless Internal power path 5 V 1.5 A, 5 V 3 A Rating Automotive Dead battery support No Operating temperature range (C) -45 to 125
VQFN-HR (RPQ) 25 16 mm² 4.5 x 3.5
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: TA range –40°C to +125°C
    • HBM ESD classification level H2
    • CDM ESD classification level C5
  • Optimized for ultra-low EMI requirements:
    • Meets CISPR25 class 5 standard
    • HotRod™ package minimizes switch node ringing
    • Spread spectrum reduces peak emissions
  • Synchronous buck regulator
    • High efficiency at 400 KHz: 95% at VIN = 12 V, IPA_BUS = 3 A and IPB_BUS = 2.4 A
    • 18-mΩ/10-mΩ low RDS(ON) buck regulator MOSFETs
    • Operating voltage range: 5.5 V to 26 V, withstand 36-V input
    • Adjustable frequency: 200 kHz to 800 kHz
    • FPWM with spread-spectrum dithering
    • Selectable output voltage: 5.1 V, 5.17 V, 5.3 V, 5.4 V
  • Internal power path:
    • 7-mΩ/7-mΩ low RDS(ON) internal USB power MOSFETs
    • Programmable current limit for USB ports with high accuracy: ±10% at 3.4 A
    • OUT: 5.1 V, 200 mA supply for auxiliary loads
  • Line drop compensation: 90 mV at 2.4-A load
  • Compliant to USB-IF standards
    • Type-C rev 1.3
      • 3-A capability advertisement on CC
      • VBUS application and discharge
      • VCONN source: 200 mA
    • Automatic DCP modes (TPS25868-Q1):
      • Shorted mode per BC1.2 and YD/T 1591 2009
      • 1.2-V mode
      • 2.7-V divider 3 mode
  • Load shedding versus programmable TA
  • Device TJ range: –40°C to +150°C
  • FAULT flag reports (TPS25869-Q1): USB overcurrent, thermal shutdown
  • USB ports ON/OFF control (TPS25869-Q1)
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: TA range –40°C to +125°C
    • HBM ESD classification level H2
    • CDM ESD classification level C5
  • Optimized for ultra-low EMI requirements:
    • Meets CISPR25 class 5 standard
    • HotRod™ package minimizes switch node ringing
    • Spread spectrum reduces peak emissions
  • Synchronous buck regulator
    • High efficiency at 400 KHz: 95% at VIN = 12 V, IPA_BUS = 3 A and IPB_BUS = 2.4 A
    • 18-mΩ/10-mΩ low RDS(ON) buck regulator MOSFETs
    • Operating voltage range: 5.5 V to 26 V, withstand 36-V input
    • Adjustable frequency: 200 kHz to 800 kHz
    • FPWM with spread-spectrum dithering
    • Selectable output voltage: 5.1 V, 5.17 V, 5.3 V, 5.4 V
  • Internal power path:
    • 7-mΩ/7-mΩ low RDS(ON) internal USB power MOSFETs
    • Programmable current limit for USB ports with high accuracy: ±10% at 3.4 A
    • OUT: 5.1 V, 200 mA supply for auxiliary loads
  • Line drop compensation: 90 mV at 2.4-A load
  • Compliant to USB-IF standards
    • Type-C rev 1.3
      • 3-A capability advertisement on CC
      • VBUS application and discharge
      • VCONN source: 200 mA
    • Automatic DCP modes (TPS25868-Q1):
      • Shorted mode per BC1.2 and YD/T 1591 2009
      • 1.2-V mode
      • 2.7-V divider 3 mode
  • Load shedding versus programmable TA
  • Device TJ range: –40°C to +150°C
  • FAULT flag reports (TPS25869-Q1): USB overcurrent, thermal shutdown
  • USB ports ON/OFF control (TPS25869-Q1)

The TPS2586x-Q1 is an integrated USB charging port solution, which includes a synchronous, high efficiency DC/DC converter and integrated detection and control for implementing USB Battery Charging 1.2 and Type-C ports.

The TPS2586x-Q1 is a family of highly-integrated USB charging controller for Type-C and Type-A dual ports application.

The device integrates a monolithic, synchronous, rectified, step-down, switch-mode converter with internal power MOSFETs and two USB current-limit switches with charging port auto-detection. The TPS2586x-Q1 offers a compact solution with excellent load and line regulation over a wide input supply range. The synchronous buck regulator operates with peak-current mode control and is internally compensated to simplify the design. A resistor on the FREQ pin sets the switching frequency between 200 kHz and 800 kHz, operating below 400 kHz results in better system efficiency.

The TPS2586x-Q1 integrates standard USB Type-C port controller functionality including Configuration Channel (CC) logic for 3-A and 1.5-A current advertisement. Battery Charging (Rev. 1.2) integration provides the required electrical signatures necessary for non-Type-C, legacy USB devices which use USB data line signaling to determine USB port current sourcing capabilities. The TPS2586x-Q1 also has integrated VCONN power that can meet the USB3.1 power requirement. The part is especially suitable for dual-port application due to the high system integration and small footprint.

Since the TPS2586x-Q1 supports intelligent thermal regulation, the output current and voltage can be regulated according to the temperature sensing through the TS pin. It needs to connect a NTC thermistor on the TS pin to monitor the ambient temperature or PCB board temperature, depending on where the NTC thermistor is put in the USB charging module or PCB board. Select a different NTC thermistor and bottom-side series resistor can change the temperature for load shedding.

The TPS2586x-Q1 have four selectable USB output voltage settings: 5.1 V, 5.17 V, 5.3 V, and 5.4 V. The TPS2586x-Q1 integrates a precision current sense amplifier for cable droop compensation and user-programmable current limit tuning. The cable compensation is only available when the output voltage is set to 5.17 V. The cable compensation voltage is 90 mV at 2.4-A output current. Cable compensation aids portable devices in charging at optimum current and voltage under heavy loads by changing the buck regulator output voltage linearly with load current to counteract the voltage drop due to wire resistance in automotive cabling. The BUS voltage measured at a connected portable device remains approximately constant, regardless of load current, allowing the battery charger of the portable device to work optimally.

The TPS2586x-Q1 provides various safety features for USB charging and system operations, including external negative thermistor monitoring, cycle-by-cycle current limit, hiccup short-circuit protection, undervoltage lockout, BUS overcurrent, OUT overcurrent, and die overtemperature protection.

The device family is available in 25-pin, 3.5-mm × 4.5-mm QFN package.

The TPS2586x-Q1 is an integrated USB charging port solution, which includes a synchronous, high efficiency DC/DC converter and integrated detection and control for implementing USB Battery Charging 1.2 and Type-C ports.

The TPS2586x-Q1 is a family of highly-integrated USB charging controller for Type-C and Type-A dual ports application.

The device integrates a monolithic, synchronous, rectified, step-down, switch-mode converter with internal power MOSFETs and two USB current-limit switches with charging port auto-detection. The TPS2586x-Q1 offers a compact solution with excellent load and line regulation over a wide input supply range. The synchronous buck regulator operates with peak-current mode control and is internally compensated to simplify the design. A resistor on the FREQ pin sets the switching frequency between 200 kHz and 800 kHz, operating below 400 kHz results in better system efficiency.

The TPS2586x-Q1 integrates standard USB Type-C port controller functionality including Configuration Channel (CC) logic for 3-A and 1.5-A current advertisement. Battery Charging (Rev. 1.2) integration provides the required electrical signatures necessary for non-Type-C, legacy USB devices which use USB data line signaling to determine USB port current sourcing capabilities. The TPS2586x-Q1 also has integrated VCONN power that can meet the USB3.1 power requirement. The part is especially suitable for dual-port application due to the high system integration and small footprint.

Since the TPS2586x-Q1 supports intelligent thermal regulation, the output current and voltage can be regulated according to the temperature sensing through the TS pin. It needs to connect a NTC thermistor on the TS pin to monitor the ambient temperature or PCB board temperature, depending on where the NTC thermistor is put in the USB charging module or PCB board. Select a different NTC thermistor and bottom-side series resistor can change the temperature for load shedding.

The TPS2586x-Q1 have four selectable USB output voltage settings: 5.1 V, 5.17 V, 5.3 V, and 5.4 V. The TPS2586x-Q1 integrates a precision current sense amplifier for cable droop compensation and user-programmable current limit tuning. The cable compensation is only available when the output voltage is set to 5.17 V. The cable compensation voltage is 90 mV at 2.4-A output current. Cable compensation aids portable devices in charging at optimum current and voltage under heavy loads by changing the buck regulator output voltage linearly with load current to counteract the voltage drop due to wire resistance in automotive cabling. The BUS voltage measured at a connected portable device remains approximately constant, regardless of load current, allowing the battery charger of the portable device to work optimally.

The TPS2586x-Q1 provides various safety features for USB charging and system operations, including external negative thermistor monitoring, cycle-by-cycle current limit, hiccup short-circuit protection, undervoltage lockout, BUS overcurrent, OUT overcurrent, and die overtemperature protection.

The device family is available in 25-pin, 3.5-mm × 4.5-mm QFN package.

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Technical documentation

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* Data sheet TPS25868-Q1 and TPS25869-Q1 USB Type-A and Type-C® Charging Ports Controller With Sync DC/DC Converter and Programmable Current Limit datasheet 19 Aug 2021
Certificate TPS25869Q1EVM-163 EU RoHS Declaration of Conformity (DoC) 26 Aug 2021
User guide TPS25869-Q1 Evaluation Module 05 Aug 2021

Design & development

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Evaluation board

TPS25869Q1EVM-163 — TPS25869-Q1 evaluation module for USB Type-A + USB Type-C® charging ports controller

The TPS25869-Q1 is an integrated USB charging port solution which includes a synchronous DC/DC converter capable of supplying up to 5.6 A and integrated detection and control for implementing USB Battery Charging 1.2 and USB Type-C® ports with fault indicator and seperate EN control.

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