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Texas Instruments DRV8833PW
- Part No.:
- DRV8833PW
- Manufacturer:
- Texas Instruments
- Category:
- Motor Drivers, Controllers
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
DRV8833PW.pdf
- Description:
- IC MOTOR DRIVER PAR 16-TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:771
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Product details
Overview
DRV8833PW from Texas Instruments is a dual H-bridge brushed DC and bipolar stepper motor driver IC in 16-pin TSSOP package, delivering up to 1.5-A RMS per bridge at 2.7–10.8 V supply, with integrated PWM current regulation (200 mV trip threshold), thermal/overcurrent/UVLO protection, and sleep mode control - used in battery-powered robotics and POS printers.
For engineers reviewing the DRV8833PW datasheet, DRV8833PW pinout, DRV8833PW application, or DRV8833PW equivalent, key selection considerations include per-bridge RMS current rating (1.5 A), input logic compatibility (3.3/5 V), fault reporting via open-drain nFAULT, current-sense interface (AISEN/BISEN), and thermal performance in TSSOP (RθJA = 103.1°C/W).
Technical Context
The DRV8833PW integrates two independent NMOS H-bridge drivers with fixed-frequency (50 kHz) PWM current regulation using internal 200-mV reference and 3.75-µs blanking time. Each bridge supports forward/reverse/brake/coast modes via dual logic inputs (AIN1/AIN2, BIN1/BIN2) and features independent overcurrent detection not reliant on external sense resistors.
It implements internal dead time (450 ns) to prevent shoot-through, supports parallel bridge operation for 1-A RMS / 4-A peak output, and uses a charge-pump gate driver (VCP) with 0.01-µF capacitor to sustain high-side FET conduction - all while maintaining full protection coverage including UVLO (2.6 V threshold), thermal shutdown (150–180°C), and fault latching via open-drain nFAULT.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2.7 V to 10.8 V - supports single-cell Li-ion, 3×AA, or 9-V battery systems without external regulators. |
| Continuous Output Current | 1.5-A RMS per H-bridge (TSSOP package, VM = 5 V, TA = 25°C) - defines maximum sustained torque in DC motors or phase current in stepper applications. |
| Current Regulation Threshold | 200 mV ±20 mV on AISEN/BISEN pins - sets winding current limit via external sense resistor (e.g., 0.2 Ω → 1-A chop). |
| H-Bridge RDS(on) | 360 mΩ typical (HS + LS, VM = 5 V, TJ = 25°C) - determines conduction loss and thermal rise under load. |
| PWM Frequency | 50 kHz fixed internal frequency - enables smooth current control while minimizing audible noise and EMI. |
| Fault Reporting | Open-drain nFAULT pin asserted low on overtemperature, overcurrent, or UVLO - provides system-level error signaling without pull-up dependency. |
| Sleep Mode Current | 2.5 µA max (VM = 5 V) - enables ultra-low-power standby in portable devices between motor actuations. |
Pinout & Package
DRV8833PW is housed in a 16-pin TSSOP package (5.00 mm × 4.40 mm body, 0.65 mm pitch) with exposed thermal pad (PPAD) requiring PCB solder connection to GND plane for thermal management.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AIN1, AIN2 | Bridge A logic inputs | Control AOUT1/AOUT2 direction and decay mode; internal pulldown ensures safe default state when un-driven. |
| BIN1, BIN2 | Bridge B logic inputs | Independent control of BOUT1/BOUT2; identical timing and logic behavior to A-bridge inputs. |
| nSLEEP | Global enable input | Active-low; forces Hi-Z outputs, disables charge pump, resets logic - wake-up delay ≤1 ms required before valid operation. |
| nFAULT | Status output | Open-drain; pulled low during UVLO, OCP, or TSD; requires external pull-up for MCU interrupt or monitoring. |
| AISEN, BISEN | Current sense return | Connect to low-side sense resistor; 200-mV comparator reference enables precise winding current limiting. |
| AOUT1, AOUT2, BOUT1, BOUT2 | H-bridge power outputs | Drive motor windings directly; support parallel connection for doubled current (e.g., 3-A RMS with both bridges). |
| VM | Main power input | Supplies motor voltage and internal circuitry; requires ≥10-µF ceramic bypass to GND near pin. |
| VCP | Charge pump capacitor node | Connects to 0.01-µF X7R capacitor referenced to VM - sustains high-side gate drive above VM rail. |
| VINT | Internal regulator bypass | Bypassed with 2.2-µF capacitor to GND - stabilizes internal 3.3-V logic supply independent of VM ripple. |
| GND / PPAD | Power and thermal ground | Both pin 11 and exposed thermal pad must be connected to solid PCB ground plane for electrical integrity and thermal dissipation. |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent H-bridges | Enables simultaneous control of two DC motors or one bipolar stepper - eliminates need for discrete half-bridge ICs or MOSFETs. |
| Integrated 50-kHz PWM current regulation | Reduces external component count by embedding chopping logic, reference, and blanking timer - simplifies closed-loop current control. |
| Thermally enhanced TSSOP with PowerPAD™ | Enables 1.5-A RMS operation in compact footprint via direct thermal path to PCB copper - avoids heatsink requirement in most applications. |
| Comprehensive protection suite | Includes autonomous UVLO (2.6 V), cycle-by-cycle OCP (2–3.3 A), and thermal shutdown (150–180°C) - prevents damage during stall, short, or overload events. |
| Low-power sleep mode (2.5 µA) | Allows battery-powered systems to maintain motor readiness while drawing negligible quiescent current - extends operational runtime significantly. |
Applications
| Battery-Powered Robotics | POS Printers |
|---|---|
|
Use Scenario: Driving dual 12-V brushed DC gearmotors for differential wheeled robot navigation with variable speed and direction. IC Role / Device Role: Dual H-bridge motor driver providing bidirectional torque control, current-limited acceleration, and fault-aware operation. Use Value: Enables precise motion control using only two GPIOs per motor and one shared nFAULT line - reduces MCU pin count and firmware complexity. |
Use Scenario: Controlling stepper motor for paper feed and print head positioning in compact thermal receipt printers. IC Role / Device Role: Bipolar stepper driver with microstep-capable current regulation and fast-decay braking for accurate positioning. Use Value: Delivers 1.5-A phase current within tight thermal envelope - eliminates need for external current-sense amplifiers or discrete drivers. |
| Video Security Cameras | Gaming Machines |
|
Use Scenario: Pan-tilt mechanism using two DC motors powered from 3.7-V Li-ion battery with low-noise operation. IC Role / Device Role: Low-voltage motor driver supporting 2.7-V minimum VM and 50-kHz PWM to suppress audible whine. Use Value: Maintains full 1.5-A output capability down to 2.7 V - extends usable battery range without brownout-induced motion loss. |
Use Scenario: Actuating solenoids and small DC actuators in arcade-style gaming cabinets powered from 9-V supply rails. IC Role / Device Role: General-purpose inductive load driver with robust short-circuit and thermal protection for high-duty-cycle use. Use Value: Withstands repeated inrush currents and ambient temperatures up to 85°C - improves field reliability versus unprotected discrete solutions. |
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 |
|---|---|---|---|
| TB6612FNG | Higher 1.2-A RMS rating in SSOP package; separate VCC logic supply (2.7–5.5 V); no integrated charge pump - requires external bootstrap components for high-side drive. | Preferred where logic and motor supplies are isolated; less suitable for single-supply battery systems below 4.5 V due to higher VM min (2.5 V vs DRV8833PW's 2.7 V). | Select TB6612FNG when board space allows larger SSOP and design can accommodate dual-rail supply; DRV8833PW better fits compact, single-rail battery designs. |
| MP6532 | Lower 1.1-A RMS rating; integrated current-sense amplifier outputs (not just comparator); smaller 3×3 mm QFN package; no nFAULT pin - fault status inferred from current readback. | Used where analog current monitoring is required for closed-loop control; unsuitable when discrete fault interrupt signaling is mandatory for safety or diagnostics. | Choose MP6532 if real-time winding current telemetry is needed; DRV8833PW preferred when deterministic fault signaling and proven 1.5-A capability are primary requirements. |
Compared with TB6612FNG and MP6532, the DRV8833PW offers the highest guaranteed RMS current in TSSOP form factor, integrated charge pump for single-supply operation, and dedicated nFAULT pin - making it optimal for cost-sensitive, space-constrained, battery-powered motion control where reliability and simplicity are critical.
Availability
DRV8833PW is available at Aetrix Electronics and suitable for battery-powered robotics, POS printers, and video security cameras requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for DRV8833PW 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 expertise in motor control ICs and industrial-grade reliability.
The DRV8833PW belongs to TI's precision motor driver product line, engineered specifically for compact, low-voltage, battery-operated mechatronic systems requiring integrated protection, current regulation, and minimal external components.
FAQ
What is the maximum continuous output current per bridge for DRV8833PW?
The DRV8833PW delivers up to 1.5-A RMS per H-bridge when operated in TSSOP package at VM = 5 V and TA = 25°C, as specified in the datasheet Section 6.3. This rating assumes proper PCB thermal design with GND-connected PowerPAD™ and adequate copper area. Derating applies at higher ambient temperatures or lower supply voltages.
Does DRV8833PW require external components for H-bridge gate driving?
No - DRV8833PW integrates a charge-pump gate driver and requires only a 0.01-µF capacitor between VCP and VM pins to sustain high-side NMOS conduction. Unlike bootstrap-based drivers, it operates reliably across the full 2.7–10.8 V VM range without external diodes or capacitors beyond the specified bypass network.
How does current regulation work in DRV8833PW?
DRV8833PW uses fixed-frequency (50 kHz) PWM current regulation with a 200-mV internal reference. When voltage across the external sense resistor (connected to AISEN or BISEN) exceeds 200 mV, the bridge switches to slow-decay mode until the next PWM cycle. Blanking time is fixed at 3.75 µs to avoid false triggering during switching transients.
Can DRV8833PW drive a stepper motor in bipolar mode?
Yes - DRV8833PW supports full bipolar stepper motor operation by independently controlling both windings via its dual H-bridges. AIN1/AIN2 drive phase A (AOUT1/AOUT2), BIN1/BIN2 drive phase B (BOUT1/BOUT2), enabling full-step, half-step, and microstepping when paired with appropriate controller logic and current regulation.
What protection features are built into DRV8833PW?
DRV8833PW includes undervoltage lockout (UVLO at 2.6 V), cycle-by-cycle overcurrent protection (OCP trip 2–3.3 A), and thermal shutdown (TSD at 150–180°C). All faults assert the open-drain nFAULT pin low. Protection operates autonomously - no software or external circuitry required for basic fault response.
DRV8833PW Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 16-TSSOP (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:
- NMOS
- Step Resolution:
- -
- Applications:
- DC Motors, General Purpose, Solenoids
- Current - Output:
- 1.5A
- Voltage - Supply:
- 2.7V ~ 10.8V
- Voltage - Load:
- 2.7V ~ 10.8V
- Operating Temperature:
- -40°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-TSSOP
DRV8833PW FAQ
1.How can I place an order for DRV8833PW through Aetrix?
Please submit a Request for Quotation (RFQ) for DRV8833PW 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 DRV8833PW reliable?
The price and inventory of DRV8833PW are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DRV8833PW is usually 5 days.
3.What payment methods are accepted for DRV8833PW?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DRV8833PW transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DRV8833PW?
DRV8833PW orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DRV8833PW 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 DRV8833PW?
For technical support, including DRV8833PW datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DRV8833PW requirements.
6.How does Aetrix verify that DRV8833PW is sourced from the original manufacturer or authorized distributors?
All DRV8833PW 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 DRV8833PW meets industry standards.
7.What is the process for return or replacement of DRV8833PW?
All DRV8833PW units undergo pre-shipment inspection (PSI). If there is an issue with DRV8833PW, 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 DRV8833PW part is unused and in its original packaging.
Return procedure for DRV8833PW:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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