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Texas Instruments TPIC2603DWG4
- Part No.:
- TPIC2603DWG4
- Manufacturer:
- Texas Instruments
- Package:
- 24-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
TPIC2603DWG4.pdf
- Description:
- IC PWR DRIVER 1:6 24SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,814
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Product details
Overview
TPIC2603DWG4 from Texas Instruments is a monolithic low-side power DMOS driver IC with serial SPI-compatible interface and integrated diagnostics, delivering six 350-mA continuous drain outputs, internal 60-V inductive load clamping, and independent ON-state shorted-load/short-to-battery and OFF-state open-load fault detection per channel. It drives automotive relays, solenoids, and lamps in 12-V battery systems.
For engineers reviewing the TPIC2603DWG4 datasheet, TPIC2603DWG4 pinout, TPIC2603DWG4 application, or TPIC2603DWG4 equivalent, key selection considerations include its 24-pin SOIC (DW) package, −40°C to 125°C operating case temperature, 5-V logic supply compatibility, 68-V drain-source breakdown voltage, and serial fault reporting via SDO with exclusive-OR encoding of over-temperature and per-channel fault flags.
Technical Context
The TPIC2603DWG4 implements a 6-bit serial shift register with MSB-first 8-/16-bit protocol, where CS falling edge initiates data capture and rising edge latches output control bits to drivers. Fault status-including over-temperature (bit 6), and shorted/open-load flags for all six drains-is asynchronously captured on CS high-to-low transition and reported via SDO using exclusive-OR encoding with incoming SDI data.
Each output features dual-level protection: analog current limiting up to 2 A peak, followed by low-duty-cycle PWM mode activation (~70 µs after turn-on) during sustained over-current. Independent OFF-state open-load sensing uses a 40-µA current source; ON-state short detection operates with 25–100 µs deglitch timing. Over-battery-voltage lockout triggers at 35 V with 0.4–2 V hysteresis.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output count | Six independent low-side DMOS switches with individual fault monitoring. |
| Continuous drain current | 350 mA per channel at TC = 25°C; derated to 350 mW total power at TC = 125°C in DW package. |
| Drain-source breakdown | 68 V - enables direct connection to 24-V automotive battery rails with transient margin. |
| Logic supply voltage | 4.5 V to 5.5 V - compatible with standard 5-V microcontroller I/O without level shifting. |
| Operating temperature | −40°C to 125°C case temperature - qualified for under-hood automotive environments. |
| Serial interface | SPI-like 3-wire (SCLK/SDI/SDO) with active-low CS; supports 1.8–4 MHz clock and 8-/16-bit frames. |
| Fault reporting | Real-time serial feedback of per-channel shorted/open-load and global over-temperature flags via SDO. |
Pinout & Package
TPIC2603DWG4 is housed in a 24-pin SOIC (DW) package with 1.27-mm pitch, JEDEC MS-013 compliant, RoHS-compliant NiPdAu lead finish, and MSL Level-1 rating (260°C peak reflow).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CS (Pin 10) | Active-low chip select | Enables serial data input and fault readout; internal pullup ensures default high state. |
| SDI (Pin 4) | Serial data input | Receives 8-/16-bit control words; internal pulldown resistor prevents floating inputs. |
| SCLK (Pin 3) | Serial clock input | Rising-edge-triggered; supports up to 4 MHz; defines timing for SDI/SDO data transfer. |
| SDO (Pin 9) | Serial data output | 3-state output reporting fault flags; driven only when CS is low; bit 6 = over-temperature. |
| DRAIN0–DRAIN5 (Pins 1, 12, 9, 10, 2, 19) | Low-side power switch outputs | DMOS drains with internal 60-V clamp diodes; each supports 350 mA continuous, 2.25 A pulsed. |
| Vbat (Pin 24) | Battery voltage monitor | Inputs system battery rail (5.5–25 V nominal); triggers 35-V overvoltage shutdown with hysteresis. |
| VCC (Pin 13) | Logic supply input | 5-V ±5% supply for internal registers, shift logic, and interface circuitry. |
| GND (Pins 5, 6, 15, 16, 7, 8, 17, 18, 19, 20) | Ground return | Multiple dedicated GND pins minimize ground bounce and improve thermal dissipation. |
Key Features
| Feature | Design Value |
|---|---|
| Per-channel fault diagnostics | Independent ON-state shorted-load/short-to-battery and OFF-state open-load detection with 25–100 µs deglitching. |
| Over-current protection | Two-tier response: analog current limit (0.8–5 A) + automatic low-duty-cycle PWM mode during sustained faults. |
| Inductive transient suppression | Integrated 60-V drain-gate clamp per output eliminates need for external flyback diodes in relay/solenoid drive. |
| Thermal and overvoltage safety | Junction over-temperature flag at ~170°C; over-battery-voltage lockout at 35 V with programmable hysteresis. |
| Robust serial interface | Fault data encoded via exclusive-OR with SDI input bits-enables simultaneous command + status in single frame. |
Applications
| Automotive Body Control Module | Industrial PLC Output Stage |
|---|---|
|
Use Scenario: Controlling door locks, window lifts, and mirror actuators in 12-V vehicle electrical architecture. IC Role / Device Role / Timing Role: Low-side driver translating MCU GPIO commands into high-current loads with real-time fault visibility. Use Value: Eliminates discrete protection components and enables predictive maintenance via serial fault reporting before catastrophic failure. |
Use Scenario: Driving 24-V DC solenoid valves and indicator lamps in factory automation cabinets. IC Role / Device Role / Timing Role: Serial-controlled power switch with diagnostic feedback for remote I/O modules with limited PCB space. Use Value: Reduces wiring complexity by consolidating six channels and diagnostics onto one 24-pin SOIC, lowering BOM count and test time. |
| Commercial Vehicle Lighting System | Off-Highway Equipment Control |
|
Use Scenario: Managing headlamp, fog lamp, and turn signal loads subject to load dump transients and vibration-induced opens. IC Role / Device Role / Timing Role: Fault-aware power switch providing open-load detection and 68-V VDS margin against ISO 7637-2 pulse 5a. Use Value: Detects broken filaments or corroded connectors in real time, enabling dashboard warning before total light failure. |
Use Scenario: Operating hydraulic valve coils and cab-mounted warning beacons in construction or agricultural machinery. IC Role / Device Role / Timing Role: High-reliability low-side driver rated for −40°C to 125°C case temperature and 25-V battery operation. Use Value: Maintains functional safety integrity under extreme thermal cycling and voltage fluctuations common in off-road environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar low-side serial driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPIC2603DWRG4 | Same die and functionality; supplied in 2000-piece tape-and-reel (DWR) vs. 25-piece tube (DWG4). | Identical electrical and thermal performance; optimized for high-volume automated assembly. | Select TPIC2603DWRG4 for SMT production runs; TPIC2603DWG4 suits prototyping and low-volume builds. |
| TPIC2810DW | 8-channel version with identical 350-mA rating, 68-V VDS, and serial diagnostics-but no over-battery-voltage lockout. | Lacks Vbat monitoring; requires external overvoltage protection in battery-fed systems. | Choose TPIC2810DW only if channel count >6 is needed and overvoltage protection is implemented externally. |
Compared with TPIC2603DWG4, TPIC2603DWRG4 offers identical functionality in tape-and-reel packaging for volume manufacturing, while TPIC2810DW trades overvoltage lockout for two additional channels-making it suitable only when extra outputs outweigh the loss of integrated battery supervision.
Availability
TPIC2603DWG4 is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC output stages, commercial vehicle lighting systems, and off-highway equipment control requiring stable component supply across extended temperature and voltage ranges.
Supply support for TPIC2603DWG4 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 power management technologies, with decades of automotive qualification expertise.
The TPIC2603DWG4 belongs to TI's automotive-grade power driver family, designed specifically for robust, fault-aware control of resistive and inductive loads in harsh 12-V/24-V battery environments.
FAQ
What is the maximum continuous current per channel for the TPIC2603DWG4?
The TPIC2603DWG4 delivers 350 mA continuous drain current per channel at TC = 25°C. This rating decreases with increasing case temperature and number of simultaneously conducting outputs-derating to 350 mW total power at TC = 125°C in the DW package. Peak pulsed current reaches 2.25 A for ≤100 µs at 2% duty cycle.
Does the TPIC2603DWG4 support both 8-bit and 16-bit serial communication formats?
Yes, the TPIC2603DWG4 supports configurable 8-bit and 16-bit serial frames. In 8-bit mode, the first six bits control DRAIN0–DRAIN5; in 16-bit mode, control bits occupy positions 8–13. Fault data always appears in the first eight bits of SDO output, with bit 6 indicating over-temperature status.
How does the TPIC2603DWG4 detect open-load conditions?
The TPIC2603DWG4 detects open-load faults during OFF-state by activating a 40-µA current source on each drain terminal approximately 70 µs after turn-off. If the load is disconnected, this current pulls the drain voltage below the 0.3–0.7 × VCC detection threshold, setting the corresponding FLT0–FLT5 fault flag reported via SDO.
What protection features does the TPIC2603DWG4 provide against overvoltage and overtemperature?
The TPIC2603DWG4 provides over-battery-voltage lockout at 35 V (with 0.4–2 V hysteresis) on the Vbat pin, disabling all outputs until voltage returns to safe range. For overtemperature, it monitors junction temperature and asserts a global over-temperature flag (bit 6 in 8-bit mode) at ~170°C-reported serially but not disabling outputs.
Is the TPIC2603DWG4 pin-compatible with other devices in the TPIC260x family?
Yes, the TPIC2603DWG4 shares identical 24-pin SOIC (DW) pinout and electrical interface with TPIC2603DW, TPIC2603DWR, and TPIC2603DWRG4. All variants use the same footprint, thermal pad layout, and signal assignments-enabling drop-in replacement within the same package variant group.
TPIC2603DWG4 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- 24-SOIC (0.295", 7.50mm Width)
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Discontinued at Digi-Key
- Switch Type:
- General Purpose
- Number of Outputs:
- 6
- Ratio - Input:Output:
- 1:6
- Output Configuration:
- Low Side
- Output Type:
- -
- Interface:
- Serial
- Voltage - Load:
- 5.5V ~ 25V
- Voltage - Supply (Vcc/Vdd):
- 4.5V ~ 5.5V
- Current - Output (Max):
- 350mA
- Rds On (Typ):
- 1.7Ohm
- Input Type:
- -
- Features:
- -
- Fault Protection:
- Current Limiting (Fixed), Open Load Detect, Over Temperature, Over Voltage
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 24-SOIC
TPIC2603DWG4 FAQ
1.How can I place an order for TPIC2603DWG4 through Aetrix?
Please submit a Request for Quotation (RFQ) for TPIC2603DWG4 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 TPIC2603DWG4 reliable?
The price and inventory of TPIC2603DWG4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPIC2603DWG4 is usually 5 days.
3.What payment methods are accepted for TPIC2603DWG4?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPIC2603DWG4 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPIC2603DWG4?
TPIC2603DWG4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPIC2603DWG4 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 TPIC2603DWG4?
For technical support, including TPIC2603DWG4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPIC2603DWG4 requirements.
6.How does Aetrix verify that TPIC2603DWG4 is sourced from the original manufacturer or authorized distributors?
All TPIC2603DWG4 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 TPIC2603DWG4 meets industry standards.
7.What is the process for return or replacement of TPIC2603DWG4?
All TPIC2603DWG4 units undergo pre-shipment inspection (PSI). If there is an issue with TPIC2603DWG4, 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 TPIC2603DWG4 part is unused and in its original packaging.
Return procedure for TPIC2603DWG4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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