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Texas Instruments TPS65982DMCZBHR
- Part No.:
- TPS65982DMCZBHR
- Manufacturer:
- Texas Instruments
- Category:
- Power Management - Specialized
- Package:
- 96-VFBGA
- Datasheet:
-
TPS65982DMCZBHR.pdf
- Description:
- DOCK MANAGEMENT CONTROLLER
- Quantity:
- Payment:
- Shipping:
Inventory:2,049
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Product details
Overview
TPS65982DMC from Texas Instruments is a dock management controller IC for USB4 and Thunderbolt 4 docks, hubs, and monitors. It integrates secure firmware update (SHA-256/RSA-3072), dual NFET gate drivers for adapter power control, USB Low-Speed endpoint with billboard functionality, Smart Power Policy Manager, and USB4 Connection Manager. It operates across 4 V–22 V adapter input range and manages system-wide PD controller power advertisement to prevent adapter overload.
For engineers reviewing the TPS65982DMC datasheet, TPS65982DMC pinout, TPS65982DMC application, or TPS65982DMC equivalent, this page delivers verified technical context, real-world use cases in USB4 docking systems, confirmed pin functions, key supply and protection specs, and validated alternative options for dock architecture design.
Technical Context
The TPS65982DMC implements a dual-role USB4 connection manager that monitors upstream-facing port (UFP) state and reconfigures downstream-facing port (DFP) behavior-including PD controller settings and GPIO signaling-to maintain consistent data path behavior across Thunderbolt 4/USB4 topologies. Its Smart Power Policy Manager dynamically adjusts power budgets across USB-C, USB-A, and system rails based on real-time current sensing via SENSE_P/SENSE_N inputs and ADC-monitored adapter voltage.
Secure firmware updates occur over its integrated USB Low-Speed endpoint using SHA-256 hash verification and RSA-3072 signature validation, with I²C boot capability enabling single-flash programming of multiple TI PD controllers. The device supports configurable soft-start (via SS pin), programmable over/under-voltage thresholds on ADP_IN (6-bit resolution), and dual independent I²C slave interfaces (I2C1/I2C2) for multi-controller coordination.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Adapter Input Range | 4 V to 22 V - enables compatibility with wide-range USB PD adapters and legacy barrel-jack supplies. |
| Firmware Security | SHA-256 + RSA-3072 - ensures cryptographically verified, tamper-resistant field updates of TPS65982DMC and connected TI PD controllers. |
| USB Endpoint Speed | Low-Speed (1.5 Mbps) - supports USB Billboard Class and secure firmware download without requiring full-speed PHY resources. |
| ADC Resolution | 10-bit - provides precise monitoring of adapter voltage, thermal sensors, and current sense signals for dynamic power policy decisions. |
| Power Switch Control | Dual HV_GATE1/HV_GATE2 outputs - drives external NFETs for bidirectional high-voltage power path control with reverse-current blocking down to 2 mV threshold. |
| Thermal Shutdown | 125°C junction limit - protects against thermal runaway during sustained high-power dock operation with automatic recovery. |
| I²C Address Configuration | I2C_ADDR pin - sets unique I²C addresses for both I2C1 and I2C2 ports and determines master/slave roles for shared flash memory access. |
Pinout & Package
NFBGA-96 package with 6.00 mm × 6.00 mm body size and 0.5-mm pitch; through-hole via compatible for all pins; requires PCB-level grounding of all 35 GND balls per TI layout guidelines.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| ADP_IN (H11, J10–K11) | Adapter Input Supply | Main high-voltage DC input rail (4–22 V); powers internal LDOs and feeds HV_GATE1/HV_GATE2 driver circuits. |
| HV_GATE1 (B9), HV_GATE2 (A9) | External NFET Gate Drivers | Analog outputs controlling back-to-back NFETs for bidirectional power path switching and reverse-current blocking. |
| SENSE_P (B10), SENSE_N (A10) | Current Sense Inputs | Differential analog inputs measuring adapter path current via external shunt resistor; enable real-time power budgeting. |
| I2C1_SDA/I2C1_SCL (D1/D2), I2C2_SDA/I2C2_SCL (A5/B5) | Dual I²C Slave Interfaces | Independent open-drain buses for coordinating up to two groups of TI PD controllers and external peripherals. |
| UFP_USB2_P/UFP_USB2_N (K6/L6) | USB Low-Speed Endpoint | Direct connection to USB D+/D− lines for firmware update and USB Billboard Class descriptor reporting. |
| SS (H7) | Soft-Start Control | Analog output driving external capacitor to ramp gate drive voltage and limit inrush current during power-up. |
Key Features
| Feature | Design Value |
|---|---|
| Secure Firmware Update Engine | Enables authenticated, encrypted field updates of TPS65982DMC and co-located TI PD controllers via USB LS endpoint-eliminating need for separate debug interfaces. |
| Smart Power Policy Manager | Dynamically allocates available adapter power across USB-C, USB-A, and system rails using real-time ADC and current-sense feedback-preventing overloads without manual configuration. |
| USB4 Connection Manager | Automatically reconfigures DFP port states and PD controller settings when UFP host connection changes-ensuring seamless Thunderbolt 4/USB4 topology adaptation. |
| Barrel Jack Input Control | Integrated gate drivers with programmable overvoltage detection (5–24 V range) and soft-start-enabling robust support for legacy AC adapters alongside USB PD. |
| Configurable GPIO Bank | 16 GPIOs (GPIO_0–GPIO_15) with programmable pullup/pulldown, deglitching, and voltage-level flexibility (1.8 V / 3.3 V)-supporting custom system signaling and status reporting. |
Applications
| Thunderbolt 4 Docking Station | USB4 Monitor with Hub Functionality |
|---|---|
|
Use Scenario: A compact desktop dock connecting laptop via Thunderbolt 4 cable while powering dual 4K displays, Ethernet, USB-A peripherals, and charging the host. IC Role / Device Role / Timing Role: Central dock management controller coordinating PD negotiation, USB4 link training, power distribution, and firmware updates across all attached TI PD controllers. Use Value: Enables single-chip orchestration of adapter power allocation, USB4 topology awareness, and secure firmware updates-reducing BOM count and eliminating discrete policy logic. |
Use Scenario: A 32-inch USB4 monitor with built-in 4-port USB hub, DisplayPort Alt Mode, and 90 W power delivery to laptop. IC Role / Device Role / Timing Role: Manages upstream UFP connection state, reconfigures downstream DFP ports for video/data, and regulates adapter-derived power to USB-A ports and display subsystem. Use Value: Ensures consistent USB4 data behavior across hot-plug events and maintains safe power delivery limits even under variable load conditions. |
| Enterprise Laptop Docking Solution | High-Power USB-C Expansion Hub |
|
Use Scenario: IT-managed docking station deployed across corporate fleet, requiring remote firmware updates and strict power compliance for safety certification. IC Role / Device Role / Timing Role: Secure root-of-trust for firmware integrity; monitors ADP_IN voltage/current to enforce UL/IEC 62368-1 power limits; coordinates reset sequencing across subsystems. Use Value: Meets enterprise security requirements via cryptographic firmware signing and provides auditable, deterministic power supervision for regulatory compliance. |
Use Scenario: Portable travel hub supporting simultaneous 10 Gbps USB3.2 Gen2 data, 85 W charging, and HDMI 2.0 output from a single USB-C laptop port. IC Role / Device Role / Timing Role: Real-time power supervisor adjusting PD controller advertisements based on measured adapter capacity and active peripheral loads. Use Value: Prevents adapter overload by dynamically throttling USB-A port power when high-bandwidth video or storage is active-avoiding brownouts or disconnects. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dock management controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS65987DZQZ | Higher integration: includes integrated 3.3-V/1.8-V LDOs, USB2 transceiver, and enhanced USB4 link training support; larger 128-pin NFBGA package. | Targeted at premium docks with tighter space constraints and no external LDO requirement; supports more complex USB4 retimers and alternate mode arbitration. | Select TPS65987DZQZ when needing integrated power regulation and advanced USB4 PHY features; TPS65982DMC remains optimal for cost-sensitive designs using discrete LDOs. |
| PS8818-10ZQW | Dedicated USB4/Thunderbolt 4 switch controller with embedded microcontroller; lacks native PD controller coordination or secure firmware update engine. | Used as companion to standalone PD controllers (e.g., TPS65988); requires external MCU for policy management and firmware signing. | Choose PS8818-10ZQW only when separating switch control from power policy logic; TPS65982DMC provides unified hardware-enforced security and power orchestration. |
Compared with TPS65987DZQZ and PS8818-10ZQW, the TPS65982DMC uniquely combines secure firmware update, dual I²C-based PD controller coordination, and adapter-aware power policy enforcement in a compact 96-pin NFBGA-making it the most integrated solution for mid-tier USB4 docks requiring field-upgradable, certified power management.
Availability
TPS65982DMC is available at Aetrix Electronics and suitable for Thunderbolt 4 docking stations, USB4 monitors, and enterprise laptop expansion hubs requiring stable component supply, long-term lifecycle support, and traceable sourcing for industrial and commercial deployments.
Supply support for TPS65982DMC includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and connectivity technologies, with decades of leadership in USB Power Delivery and high-speed interface solutions.
The TPS6598x family was designed specifically for intelligent USB-C and USB4 dock management-integrating secure firmware infrastructure, adaptive power policy engines, and protocol-aware connection managers to simplify high-performance docking system development.
FAQ
What is the primary function of the TPS65982DMC in a USB4 dock?
The TPS65982DMC serves as the central dock management controller, orchestrating USB4 connection state changes, managing power distribution across USB-C/USB-A/system rails, coordinating firmware updates for multiple TI PD controllers, and enforcing secure, adapter-aware power policies. It directly interfaces with adapter inputs, external NFETs, and PD controllers to ensure safe, compliant, and responsive dock operation.
Does the TPS65982DMC support secure firmware updates for other devices?
Yes, the TPS65982DMC supports secure firmware updates for itself and other TI PD controllers via its integrated USB Low-Speed endpoint using SHA-256 hashing and RSA-3072 signature verification. It also enables I²C boot for single-flash programming of multiple TI PD controllers in the same system, reducing update complexity and time.
What adapter input voltage range does the TPS65982DMC support?
The TPS65982DMC supports an adapter input voltage range of 4 V to 22 V on the ADP_IN pin, accommodating both standard USB PD sources and legacy barrel-jack adapters. Its programmable overvoltage threshold (5–24 V) and under-voltage lockout (2.5–18.21 V) ensure robust operation across diverse power supplies.
How does the TPS65982DMC manage power across multiple USB-C ports?
The TPS65982DMC uses its Smart Power Policy Manager to monitor real-time current via SENSE_P/SENSE_N inputs and ADC-measured adapter voltage, then dynamically adjusts power advertisements sent to connected TI PD controllers. This prevents adapter overload by reallocating budget between USB-C, USB-A, and system rails based on actual load conditions-not just static configuration.
Is the TPS65982DMC pin-compatible with other TPS6598x devices?
No, the TPS65982DMC is not pin-compatible with other TPS6598x variants such as TPS65987DZQZ (128-pin NFBGA) or TPS65988LMZQZ (144-pin NFBGA). Its 96-pin ZBH package has unique ball mapping, including dedicated UFP_USB2_P/N pins and dual I²C interrupt outputs, requiring specific PCB layout and routing.
TPS65982DMCZBHR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 96-VFBGA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Applications:
- Dock Management Controller
- Current - Supply:
- -
- Voltage - Supply:
- 1.7V ~ 3.45V
- Operating Temperature:
- -10°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 96-NFBGA (6x6)
TPS65982DMCZBHR FAQ
1.How can I place an order for TPS65982DMCZBHR through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS65982DMCZBHR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TPS65982DMCZBHR reliable?
The price and inventory of TPS65982DMCZBHR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS65982DMCZBHR is usually 5 days.
3.What payment methods are accepted for TPS65982DMCZBHR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS65982DMCZBHR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS65982DMCZBHR?
TPS65982DMCZBHR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS65982DMCZBHR order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TPS65982DMCZBHR?
For technical support, including TPS65982DMCZBHR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS65982DMCZBHR requirements.
6.How does Aetrix verify that TPS65982DMCZBHR is sourced from the original manufacturer or authorized distributors?
All TPS65982DMCZBHR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TPS65982DMCZBHR meets industry standards.
7.What is the process for return or replacement of TPS65982DMCZBHR?
All TPS65982DMCZBHR units undergo pre-shipment inspection (PSI). If there is an issue with TPS65982DMCZBHR, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TPS65982DMCZBHR part is unused and in its original packaging.
Return procedure for TPS65982DMCZBHR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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