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Texas Instruments DRV8848PWP
- Part No.:
- DRV8848PWP
- Manufacturer:
- Texas Instruments
- Category:
- Motor Drivers, Controllers
- Package:
- 16-PowerTSSOP (0.173", 4.40mm Width)
- Datasheet:
-
DRV8848PWP.pdf
- Description:
- IC MTR DRV BIPOLR 4-18V 16HTSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:466
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Product details
Overview
DRV8848PWP from Texas Instruments is a dual H-bridge motor driver IC designed for driving one or two brushed DC motors or a bipolar stepper motor in mechatronic systems. It operates from 4–18 V, delivers up to 2 A per bridge (4 A in parallel mode), features integrated current regulation with 20 µs fixed off-time, and includes thermal shutdown, overcurrent protection, and VM undervoltage lockout. It is used in home appliances and printer mechanisms requiring precise bidirectional motor control.
For engineers reviewing the DRV8848PWP datasheet, DRV8848PWP pinout, DRV8848PWP application, or DRV8848PWP equivalent, key selection considerations include its HTSSOP-16 package thermal performance (RθJA = 40.3°C/W), tri-level input logic for coast/brake control, dual independent current sense paths (AISEN/BISEN), and compatibility with PWM-based microcontroller interfaces for stepper or DC motor positioning.
Technical Context
The DRV8848PWP integrates two identical N-channel/P-channel H-bridge output stages with internal gate drivers, fixed off-time (20 µs) current chopping, and independent overcurrent detection on each FET. Its tri-level inputs (AIN1/AIN2) support Hi-Z states enabling coasting, while BIN1/BIN2 use internal pulldowns for simplified forward/reverse/brake control.
Current regulation uses a 6.6 V/V sense amplifier referenced to VREF; full-scale current is calculated as IFS = VREF/(6.6 × RSENSE). Protection includes VM UVLO (3.0 V recovery), OCP (2 A trip), and TSD (150–180°C activation with 50°C hysteresis), all signaled via open-drain nFAULT.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 4–18 V - supports 12 V nominal systems and accommodates battery droop or rail variation without dropout |
| Max Output Current per Bridge | 2 A at 12 V, 25°C - enables direct drive of medium-torque DC or stepper windings without external boost |
| Parallel Mode Current | 4 A at 12 V, 25°C - achieved by synchronizing both bridges to a single motor with shared sense resistor and BIN control |
| HS + LS RDS(ON) | 900 mΩ typical at 25°C - minimizes conduction loss and self-heating under continuous 1 A rms load |
| Sleep Current | 3 µA - reduces system standby power in battery-powered appliances during idle periods |
| Current Sense Blank Time | 1.8 µs - prevents false OCP triggering during MOSFET turn-on transients |
| nFAULT Output Type | Open-drain - allows wired-OR fault aggregation across multiple drivers and flexible pull-up voltage selection (e.g., to VINT or controller rail) |
Pinout & Package
DRV8848PWP is housed in a thermally enhanced 16-pin HTSSOP (PWP) package measuring 5.00 mm × 6.40 mm with exposed PowerPAD for improved heat dissipation to PCB ground plane.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| nSLEEP | Sleep mode enable input | Logic high enables operation; logic low forces 3 µA sleep state with Hi-Z outputs and disabled VINT regulator |
| AIN1 / AIN2 | Bridge A tri-level control inputs | Support Hi-Z (coast), high/low (forward/brake), or low/high (reverse); internal 170 kΩ pulldown and 340 kΩ pullup to VINT |
| BIN1 / BIN2 | Bridge B control inputs | Internal 200 kΩ pulldown only; simplified forward/reverse/brake control without Hi-Z coast option |
| AOUT1 / AOUT2 / BOUT1 / BOUT2 | H-bridge motor winding outputs | Each pair drives one motor winding; configured as full H-bridges using NMOS/PMOS topology |
| AISEN / BISEN | Bridge A/B current sense amplifier inputs | Accept voltage drop across external sense resistors; blanked for 1.8 µs after turn-on to reject switching noise |
| VREF | Current regulation reference input | Sets full-scale chopping current via IFS = VREF/(6.6 × RSENSE); can be tied to VINT (3.3 V) for 1 A full scale with 500 mΩ resistor |
| nFAULT | Fault status indicator | Open-drain output pulled low during UVLO, OCP, or TSD; requires external pullup (≥1 kΩ) to VINT or logic rail |
| VINT | Internal 3.3 V regulator output | Supplies internal logic and serves as reference/pullup source; bypassed with 2.2 µF ceramic capacitor to GND |
| VM | Motor power supply input | Accepts 4–18 V; requires 0.1 µF + 10 µF ceramic bypass capacitors placed near pin to suppress switching noise |
| GND | Power and signal ground | Must connect both pin 13 and exposed PowerPAD to solid ground plane for thermal and EMI performance |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent H-bridges | Enables simultaneous control of two DC motors or precise bipolar stepper phase sequencing without external logic |
| Fixed 20 µs off-time current regulation | Provides stable, predictable current limiting for stall and startup conditions without requiring external timing components |
| Tri-level A-input interface | Supports four motor states (forward, reverse, brake, coast) per bridge using only two pins and no external pull resistors |
| Integrated thermal and electrical protections | Eliminates need for discrete fault monitoring circuitry-UVLO, OCP, and TSD are autonomous and reported via single nFAULT pin |
| Thermally enhanced HTSSOP-16 with PowerPAD | Delivers 4.7°C/W junction-to-board thermal resistance, enabling 2 A continuous operation on 2-layer PCBs with minimal copper area |
Applications
| Home Appliances | Office Printers |
|---|---|
Use Scenario: Bidirectional actuation of detergent dispensers, drum locks, or paper feed rollers in washing machines and dishwashers. IC Role / Device Role / Timing Role: Dual H-bridge driver executing precise position-hold and reversal commands under MCU PWM control. Use Value: Enables compact, low-noise motor control with built-in current limiting to prevent jam-induced overcurrent damage during mechanical obstruction. | Use Scenario: Stepper-driven paper path alignment, carriage movement, and duplex module actuation in inkjet and laser printers. IC Role / Device Role / Timing Role: Bipolar stepper driver generating half-step or microstep waveforms via synchronized A/B bridge commutation. Use Value: Delivers smooth, jitter-free motion with 20 µs current regulation ensuring consistent torque across speed ranges and temperature drift. |
| Industrial Automation | Medical Devices |
Use Scenario: Valve positioning and small conveyor belt control in compact PLC I/O modules and sensor-actuator nodes. IC Role / Device Role / Timing Role: Brushed DC motor driver interfacing with industrial microcontrollers via isolated digital I/O and PWM signals. Use Value: Provides robust fault reporting (nFAULT) and sleep mode for energy-efficient duty-cycled operation in always-on edge devices. | Use Scenario: Precision fluid pump actuation and adjustable focus lens movement in portable diagnostic equipment and infusion pumps. IC Role / Device Role / Timing Role: Low-noise, low-EMI motor driver supporting FDA-compliant EMC profiles through controlled slew rates and mixed-decay current recirculation. Use Value: Ensures repeatable micro-dispense accuracy via 1.8 µs current sense blanking and 6.6 V/V gain stability across 0–85°C ambient range. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual H-bridge motor driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DRV8833C | Lower voltage range (2.7–10.8 V), 1.5 A max per bridge, no VREF-adjustable current regulation - uses internal fixed threshold | Suitable for low-voltage battery-powered toys or wearables; lacks parallel mode and precision current scaling | Select when operating below 4 V or when simplified fixed-current control suffices and thermal budget is tighter |
| TB6612FNG | Higher RDS(ON) (1.3 Ω typ), 1.2 A per channel, no integrated current sense amplifiers - requires external op-amp for regulation | Used in cost-sensitive robotics kits; lacks nFAULT reporting and has slower propagation delay (1.5 µs vs 400 ns) | Choose for legacy designs where external sensing is already implemented and 4–18 V operation is not required |
Compared with DRV8833C and TB6612FNG, the DRV8848PWP offers wider supply range, higher current capability with scalable regulation, and integrated fault signaling - making it optimal for 12 V appliance and printer applications demanding reliability and design simplicity.
Availability
DRV8848PWP is available at Aetrix Electronics and suitable for home appliance control, office printer mechanisms, and industrial actuation systems requiring stable component supply, long-term lifecycle support, and verified thermal performance in surface-mount motor drive designs.
Supply support for DRV8848PWP 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 over 90 years of innovation in industrial and automotive electronics.
The DRV8848PWP belongs to TI's high-performance motor driver product line, engineered specifically for compact, thermally constrained mechatronic applications requiring dual-bridge integration, precision current control, and robust fault handling in consumer and industrial equipment.
FAQ
What is the maximum continuous output current per H-bridge for the DRV8848PWP?
The DRV8848PWP supports up to 2 A maximum driver current per H-bridge at 12 V and 25°C ambient temperature, assuming adequate PCB copper area and thermal management. In parallel mode-where both bridges drive a single motor-the device delivers up to 4 A with proper heat sinking. Actual current capability decreases at higher temperatures or lower supply voltages due to RDS(ON) increase and thermal limits.
How does the DRV8848PWP implement current regulation, and what external components are required?
The DRV8848PWP uses a fixed 20 µs off-time PWM current regulation scheme. It requires an external sense resistor connected between AISEN/BISEN and GND, plus a voltage applied to VREF (or tied to VINT). The full-scale current is calculated as IFS = VREF/(6.6 × RSENSE). For example, with VREF = 3.3 V and RSENSE = 500 mΩ, DRV8848PWP regulates at 1 A. If regulation is unused, AISEN/BISEN may be grounded and VREF tied to VINT.
Can the DRV8848PWP drive a stepper motor, and how is microstepping supported?
Yes, the DRV8848PWP can drive a bipolar stepper motor by independently controlling its two phases via AOUT1/AOUT2 and BOUT1/BOUT2. While it does not natively support microstepping, precise current regulation enables smooth half-step operation and reduces resonance. Microstepping requires external current profiling (e.g., via DAC-controlled VREF modulation), as DRV8848PWP implements only fixed off-time chopping-not programmable current waveform synthesis.
What protection features are integrated into the DRV8848PWP, and how are faults reported?
The DRV8848PWP integrates VM undervoltage lockout (UVLO), overcurrent protection (OCP), and thermal shutdown (TSD). All faults assert the open-drain nFAULT pin low. UVLO triggers below 2.9 V (recovery at 3.0 V), OCP trips at 2 A per FET with 2.8 µs deglitch, and TSD activates at 150–180°C die temperature with 50°C hysteresis. Faults clear automatically upon recovery, and nFAULT releases once normal operation resumes.
Is the DRV8848PWP pin-compatible with other TI motor drivers such as the DRV8833 or DRV8871?
No, the DRV8848PWP is not pin-compatible with DRV8833 or DRV8871. It uses a unique 16-pin HTSSOP (PWP) footprint with dedicated AISEN/BISEN, VREF, and nSLEEP pins not present on those devices. Pinouts differ in function allocation, power routing, and thermal pad configuration. Migration requires PCB layout revision and firmware adaptation to leverage tri-level inputs and parallel mode capabilities of DRV8848PWP.
DRV8848PWP Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 16-PowerTSSOP (0.173", 4.40mm Width)
- Packaging:
- Tube
- Product Status:
- Last Time Buy
- Motor Type - Stepper:
- Bipolar
- Motor Type - AC, DC:
- Brushed DC
- Function:
- Driver - Fully Integrated, Control and Power Stage
- Output Configuration:
- Half Bridge (4)
- Interface:
- PWM
- Technology:
- Power MOSFET
- Step Resolution:
- -
- Applications:
- DC Motors, General Purpose
- Current - Output:
- 4A
- Voltage - Supply:
- 4V ~ 18V
- Voltage - Load:
- 4V ~ 18V
- Operating Temperature:
- -40°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-HTSSOP
DRV8848PWP FAQ
1.How can I place an order for DRV8848PWP through Aetrix?
Please submit a Request for Quotation (RFQ) for DRV8848PWP 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 DRV8848PWP reliable?
The price and inventory of DRV8848PWP are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DRV8848PWP is usually 5 days.
3.What payment methods are accepted for DRV8848PWP?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DRV8848PWP transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DRV8848PWP?
DRV8848PWP orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DRV8848PWP 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 DRV8848PWP?
For technical support, including DRV8848PWP datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DRV8848PWP requirements.
6.How does Aetrix verify that DRV8848PWP is sourced from the original manufacturer or authorized distributors?
All DRV8848PWP 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 DRV8848PWP meets industry standards.
7.What is the process for return or replacement of DRV8848PWP?
All DRV8848PWP units undergo pre-shipment inspection (PSI). If there is an issue with DRV8848PWP, 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 DRV8848PWP part is unused and in its original packaging.
Return procedure for DRV8848PWP:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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