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Texas Instruments TPS1HA08DQPWPRQ1
- Part No.:
- TPS1HA08DQPWPRQ1
- Manufacturer:
- Texas Instruments
- Package:
- 16-PowerTSSOP (0.173", 4.40mm Width)
- Datasheet:
-
TPS1HA08DQPWPRQ1.pdf
- Description:
- POWER MANAGEMENT
- Quantity:
- Payment:
- Shipping:
Inventory:2,915
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Product details
Overview
TPS1HA08DQPWPRQ1 from Texas Instruments is a single-channel automotive-grade smart high-side switch with 8 mΩ on-resistance (TJ = 25°C), 80 A configurable current limit, and integrated analog sense for load current, supply voltage, and junction temperature. It operates in 12 V automotive systems, provides fault indication via ST and SNS pins, and delivers robust protection against short-to-battery, short-to-ground, reverse battery, and thermal overload - used in body control modules and ADAS power distribution.
For engineers reviewing the TPS1HA08DQPWPRQ1 datasheet, TPS1HA08DQPWPRQ1 pinout, TPS1HA08DQPWPRQ1 application, or TPS1HA08DQPWPRQ1 equivalent, key selection criteria include its 80 A clamping overcurrent response, HTSSOP-16 package thermal performance (RθJA = 32.8 °C/W), AEC-Q100 Grade 1 qualification (–40°C to +125°C), and diagnostic configurability via SEL1/SEL2/DIA_EN pins.
Technical Context
The TPS1HA08DQPWPRQ1 implements a high-side MOSFET switch with integrated gate driver, current-sense amplifier, and multiplexed analog diagnostics. Its current-limit behavior is fixed to clamp at 80 A (not shutdown) per Device Version D specification, enabling transient-heavy loads like seat heaters and glow plugs without disruptive cycling.
Diagnostic functionality is routed through a shared SNS pin with three selectable modes (load current, VBB, or TJ) controlled by SEL1/SEL2, while FLT status is reported both digitally via active-low ST pin and analogly via SNS fault-high level (6–7.6 mA). LATCH pin configures fault recovery as latched or auto-retry.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| RON (TJ = 25°C) | 8 mΩ - Enables low conduction loss (≤1.3 W at 20 A), reducing thermal stress in compact PCB layouts. |
| Current Limit | 80 A (clamping mode) - Sustains high inrush currents for inductive/heating loads without disabling output. |
| Operating Voltage Range | 3 V to 28 V - Supports full automotive battery range including cold-crank (3 V) and load dump (40 V tolerant). |
| Diagnostic Accuracy | ±5% current sense error (IOUT ≥ 1 A) - Enables reliable predictive maintenance and load profiling in safety-critical ECUs. |
| Ambient Temp Range | –40°C to +125°C - Qualified per AEC-Q100 Grade 1 for under-hood and cabin-mounted applications. |
| Package | HTSSOP-16 (5.0 mm × 4.4 mm) - Small footprint with exposed pad for enhanced thermal dissipation (RθJC(bot) = 1.0 °C/W). |
| Switching Speed | tON/tOFF = 39–145 µs - Fast enough for PWM-controlled lighting and heater duty-cycle modulation. |
Pinout & Package
TPS1HA08DQPWPRQ1 is housed in a thermally enhanced 16-pin HTSSOP package with exposed thermal pad. Pin functions are validated per TI SLVSDM4E datasheet Rev. JUNE 2026.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VBB | Power supply input | High-voltage rail connection (up to 28 V continuous); withstands 40 V load dump per ISO 16750-2. |
| GND | Device ground | Reference for internal circuitry and thermal pad; must be connected to PCB ground plane for thermal and EMI integrity. |
| SNS | Analog sense output | Multiplexed current/voltage/temperature reporting pin; requires external 1 kΩ pull-down if unused. |
| LATCH | Fault handling control | Configures fault recovery: logic high = latched shutdown; floating/low = auto-retry after tRETRY (1–3 ms). |
| EN | Switch enable input | Active-high digital control; VIH = 2 V min, with 1 MΩ internal pulldown for fail-safe off-state. |
| ST | Digital fault indicator | Active-low open-drain output signaling overcurrent, open-load, or short-to-battery faults independently of DIA_EN state. |
| VOUT (pins 6–11) | Switched output | Parallel-connected high-side output terminals delivering load current; share RON and thermal path. |
| DIA_EN | Diagnostics enable | Activates analog sense function; floating or grounded disables SNS diagnostics and open-load detection. |
| SEL1 / SEL2 | Diagnostics select | Binary-coded inputs selecting SNS mode: 00 = current, 10 = temperature, 11 = VBB. |
Key Features
| Feature | Design Value |
|---|---|
| 80 A clamping current limit | Enables sustained operation during high-inrush events (e.g., cold incandescent lamp strike or glow plug preheat) without interrupting power delivery. |
| Triple-mode analog sense (I/V/TJ) | Allows single-pin diagnostics for load health monitoring, supply stability verification, and thermal derating - reducing MCU ADC channel count and BOM cost. |
| Reverse battery automatic turn-on | Permits safe operation during reverse-polarity jump-starts by enabling conduction when VBB < 0 V, preventing damage to downstream loads. |
| Integrated output clamp | Demagnetizes inductive loads (e.g., solenoids, relays) during turn-off, eliminating external freewheeling diodes and reducing board area. |
| AEC-Q100 Grade 1 qualification | Validated for automotive ambient temperatures up to +125°C, supporting placement in engine compartments and transmission control units. |
Applications
| Body Control Module Power Distribution | ADAS Sensor Power Management |
|---|---|
Use Scenario: Distributing switched 12 V power to door locks, window lifts, and mirror controls in modern BCMs. IC Role / Device Role / Timing Role: Smart high-side switch providing load isolation, current monitoring, and fault reporting to central MCU. Use Value: Eliminates need for discrete fuses and relays while enabling real-time diagnostics for predictive maintenance and OBD-II compliance. | Use Scenario: Supplying regulated power to radar modules, camera ECU, and ultrasonic sensors in autonomous driving systems. IC Role / Device Role / Timing Role: High-reliability power switch with fast fault response (<500 µs OL detection) and thermal shutdown at 160°C. Use Value: Prevents sensor downtime due to overcurrent or short circuits, maintaining ADAS functional safety integrity per ISO 26262 ASIL-B requirements. |
| Seat Heater & Glow Plug Control | Infotainment Display Backlight Drive |
Use Scenario: Driving resistive heating elements requiring high peak current (≥60 A) during cold-start conditions. IC Role / Device Role / Timing Role: High-current clamping switch with 80 A ICL, enabling inrush tolerance without false tripping. Use Value: Reduces heater warm-up time and avoids nuisance shutdowns, improving cabin comfort and emissions compliance during cold starts. | Use Scenario: Controlling LED backlight arrays in center-stack displays and instrument clusters. IC Role / Device Role / Timing Role: Precision current-regulated high-side driver with ±5% sense accuracy for consistent brightness calibration. Use Value: Enables closed-loop dimming via MCU feedback, extending LED lifetime and meeting UNECE R128 photometric requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar smart high-side switch applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS1HA08BQPWPRQ1 | Same 80 A current limit but uses immediate disable (not clamping) overcurrent response. | Better suited for loads requiring hard cutoff on fault (e.g., critical actuators), not high-transient heating elements. | Select when system-level fault strategy mandates immediate shutdown rather than current regulation. |
| TPS2HB35-Q1 | Lower RON (3.2 mΩ), higher ICL (120 A), but no analog sense or SEL-configurable diagnostics. | Targeted at ultra-high-power loads (e.g., HVAC blowers) where diagnostics are handled externally or omitted. | Choose when maximum efficiency and peak current capability outweigh integrated diagnostics needs. |
Compared with TPS1HA08BQPWPRQ1 and TPS2HB35-Q1, the TPS1HA08DQPWPRQ1 uniquely combines 80 A clamping behavior with multiplexed analog sensing - making it optimal for thermally constrained, diagnostic-rich automotive nodes where load transients and predictive maintenance are both critical.
Availability
TPS1HA08DQPWPRQ1 is available at Aetrix Electronics and suitable for body control modules, ADAS power distribution, seat heater control, and infotainment display backlighting requiring stable component supply across automotive production lifecycles.
Supply support for TPS1HA08DQPWPRQ1 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 company specializing in analog and embedded processing technologies, with leadership in automotive IC design and functional safety solutions.
The TPS1HA08-Q1 product line delivers AEC-Q100-qualified smart power switches for 12 V automotive systems, engineered to replace mechanical relays and discrete FET solutions while integrating protection, diagnostics, and thermal resilience.
FAQ
What is the current limit behavior of the TPS1HA08DQPWPRQ1?
The TPS1HA08DQPWPRQ1 implements a fixed 80 A current limit with clamping behavior - meaning it regulates output current at ~80 A during overcurrent events instead of shutting down. This allows sustained operation for high-inrush loads like seat heaters and glow plugs. The clamping mode is inherent to Device Version D and cannot be changed via configuration pins.
Does the TPS1HA08DQPWPRQ1 support reverse battery protection?
Yes, the TPS1HA08DQPWPRQ1 supports automatic turn-on during reverse battery conditions (–18 V for ≤3 minutes). When VBB goes negative, the device enables conduction to protect downstream loads from damage - a feature confirmed in the Absolute Maximum Ratings and Functional Description sections of the datasheet.
How is analog diagnostics configured on the TPS1HA08DQPWPRQ1?
Analog diagnostics on the TPS1HA08DQPWPRQ1 are selected using SEL1 and SEL2 pins: 00 = load current sense, 10 = junction temperature sense, 11 = VBB sense. DIA_EN must be high to activate the SNS pin output. All modes share the same 1 kΩ recommended sense resistor and deliver current-proportional outputs with ±5% accuracy above 1 A.
What package type and thermal performance does the TPS1HA08DQPWPRQ1 use?
The TPS1HA08DQPWPRQ1 uses a 16-pin HTSSOP package (5.0 mm × 4.4 mm) with exposed thermal pad. Its thermal metrics include RθJA = 32.8 °C/W (4-layer PCB), RθJC(bot) = 1.0 °C/W, and ψJB = 9.4 °C/W - enabling >10 A continuous current capability at +70°C ambient when properly mounted to a thermal pad.
Is the TPS1HA08DQPWPRQ1 pin-compatible with other versions in the TPS1HA08-Q1 family?
Yes, all TPS1HA08-Q1 variants - including TPS1HA08A/B/C/D/E-Q1 - share identical pinout, package (HTSSOP-16), and footprint. Differences are internal (current limit value, clamping vs. shutdown behavior, watchdog presence) and do not affect PCB layout or interconnect design.
TPS1HA08DQPWPRQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 16-PowerTSSOP (0.173", 4.40mm Width)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Switch Type:
- General Purpose
- Number of Outputs:
- 1
- Ratio - Input:Output:
- 1:1
- Output Configuration:
- High Side
- Output Type:
- N-Channel
- Interface:
- On/Off
- Voltage - Load:
- 8V ~ 18V
- Voltage - Supply (Vcc/Vdd):
- Not Required
- Current - Output (Max):
- 80A
- Rds On (Typ):
- 9mOhm
- Input Type:
- Inverting
- Features:
- Slew Rate Controlled
- Fault Protection:
- Current Limiting (Adjustable), Open Load Detect, Over Temperature, UVLO
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-HTSSOP
TPS1HA08DQPWPRQ1 FAQ
1.How can I place an order for TPS1HA08DQPWPRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS1HA08DQPWPRQ1 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 TPS1HA08DQPWPRQ1 reliable?
The price and inventory of TPS1HA08DQPWPRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS1HA08DQPWPRQ1 is usually 5 days.
3.What payment methods are accepted for TPS1HA08DQPWPRQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS1HA08DQPWPRQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS1HA08DQPWPRQ1?
TPS1HA08DQPWPRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS1HA08DQPWPRQ1 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 TPS1HA08DQPWPRQ1?
For technical support, including TPS1HA08DQPWPRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS1HA08DQPWPRQ1 requirements.
6.How does Aetrix verify that TPS1HA08DQPWPRQ1 is sourced from the original manufacturer or authorized distributors?
All TPS1HA08DQPWPRQ1 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 TPS1HA08DQPWPRQ1 meets industry standards.
7.What is the process for return or replacement of TPS1HA08DQPWPRQ1?
All TPS1HA08DQPWPRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TPS1HA08DQPWPRQ1, 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 TPS1HA08DQPWPRQ1 part is unused and in its original packaging.
Return procedure for TPS1HA08DQPWPRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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