Specifications
| Type | Description |
|---|---|
| Part Number | DRV8834 |
| Manufacturer | Texas Instruments |
| Product Type | LDO Regulator |
| Category | Power Management |
| Package / Case | 24-pin HTSSOP, 7.80 mm x 4.40 mm; 24-pin VQFN, 4.00 mm x 4.00 mm |
| Motor driver architecture | Dual H-bridge current-control motor driver; can drive two DC motors or one bipolar stepper motor |
| Control modes | STEP/DIRECTION indexer mode and PHASE/ENABLE mode; indexer supports up to 1/32-step microstepping; phase/enable supports external references for greater than 1/32-step microstepping |
| Continuous output current per H-bridge | 1.5 A RMS or DC; VM = 5 V, TA = 25°C; thermal limits must be observed |
| Peak output current per H-bridge | 2.2 A; peak motor drive capability per bridge |
| Combined high-side plus low-side on-resistance | 305 mΩ; VM = 5 V, TJ = 25°C |
| Recommended motor power supply voltage | 2.5 to 10.8 V; RDS(ON) increases and maximum output current is reduced below VM = 5 V |
| Absolute maximum motor power supply voltage | -0.3 to 11.8 V with respect to ground |
| Recommended VREF input voltage range | 1 to 2.1 V; operational from 0 V to 1 V with degraded accuracy |
| Analog input pin voltage absolute maximum | -0.5 to 3.6 V; applies to AVREF, BVREF, VINT, ADECAY, BDECAY |
| Digital input pin voltage absolute maximum | -0.5 to 7 V; all digital input pins |
| Recommended digital input pin voltage range | -0.3 to 5.75 V |
| xISEN pin voltage absolute maximum | -0.3 to 0.5 V with respect to ground |
| Operating virtual junction temperature | -40 to 150°C; absolute maximum ratings |
| Storage temperature | -60 to 150°C; absolute maximum ratings |
| HBM ESD rating | ±4000 V; human body model, ANSI/ESDA/JEDEC JS-001, all pins |
| CDM ESD rating | ±1500 V; charged device model, JEDEC JESD22-C101, all pins |
| VINT external load current | 1 mA max |
| VREF external load current | 400 µA max |
| Junction-to-ambient thermal resistance | 40.2°C/W HTSSOP; 35.1°C/W VQFN; RθJA thermal metric |
| Junction-to-case top thermal resistance | 23.7°C/W HTSSOP; 36.6°C/W VQFN; RθJC(top) thermal metric |
| Junction-to-board thermal resistance | 21.9°C/W HTSSOP; 12.2°C/W VQFN; RθJB thermal metric |
| Junction-to-case bottom thermal resistance | 3.9°C/W HTSSOP; 4.0°C/W VQFN; RθJC(bot) thermal metric |
| VM operating supply current | 2.4 mA typ, 4 mA max; VM = 5 V, excluding winding current |
| VM operating supply current | 2.75 mA typ; VM = 10 V, excluding winding current |
| VM sleep mode supply current | 0.6 µA typ, 2 µA max; VM = 5 V |
| VM sleep mode supply current | 9.6 µA typ; VM = 10 V |
| VM undervoltage lockout voltage | 2.39 V typ; VM falling |
| VINT voltage | 2.85 V min, 3.0 V typ, 3.15 V max; VM > 3.3 V, IOUT = 0 A to 1 mA |
| VREFO voltage | 1.9 V min, 2.0 V typ, 2.1 V max; IOUT = 0 A to 400 µA |
| Input low voltage | 0.5 V max; nSLEEP input |
| Input low voltage | 0.7 V max; all other digital input pins |
| Input high voltage | 2.5 V min; nSLEEP input |
| Input high voltage | 2.0 V min; all other digital input pins |
| Input hysteresis | 0.2 V typ; nSLEEP input |
| Input hysteresis | 0.4 V typ; all except nSLEEP |
| Input pulldown resistance | 500 kΩ typ; nSLEEP input |
| Input pulldown resistance | 200 kΩ typ; all except nSLEEP and M0 |
| Input deglitch time | 312 ns min, 468 ns max; logic-level inputs |
| nFAULT output low voltage | 0.5 V max; IO = 5 mA, open-drain output |
| High-side FET on-resistance | 160 mΩ typ, 250 mΩ max; VM = 5 V, IO = 500 mA, TJ = 25°C |
| Low-side FET on-resistance | 145 mΩ typ, 240 mΩ max; VM = 5 V, IO = 500 mA, TJ = 25°C |
| Current control PWM frequency | 42.5 kHz typ; internal PWM frequency |
| Current sense blanking time | 2.4 µs typ; VREF > 375 mV or DAC codes > 29% |
| Current sense blanking time | 1.6 µs typ; VREF < 375 mV or DAC codes < 29% |
| Output rise time | 120 ns typ; VM = 5 V, 16 Ω to GND, 10% to 90% VM |
| Output fall time | 100 ns typ; VM = 5 V, 16 Ω to GND, 10% to 90% VM |
| Overcurrent protection trip level | 2 A typ; protection circuits |
| Thermal shutdown temperature | 150°C min, 160°C typ, 180°C max; die temperature |
| VREF input current | -1 µA min, 1 µA max; VREF = 3.3 V |
| xISEN trip voltage | xVREF / 5 V; for 100% current step |
| Current sense amplifier gain | 5 V/V; reference only |
| Datasheet Status | request_only |
Product Overview
The DRV8834 is a Texas Instruments dual H-bridge current-control motor driver for Power_Management designs. Its output stage can be used for two DC motors or one bipolar stepper motor, with 1.5 A RMS or DC continuous current per H-bridge under the stated VM = 5 V, TA = 25°C condition and 2.2 A peak drive capability per bridge. Thermal limits must be observed.
Key Features
- Dual H-bridge current-control motor driver architecture
- Drives two DC motors or one bipolar stepper motor
- STEP/DIRECTION indexer and PHASE/ENABLE control modes
- Indexer supports microstepping up to 1/32-step
- PHASE/ENABLE supports external references beyond 1/32-step
- 2.5 to 10.8 V recommended motor supply range
- 1.5 A RMS or DC continuous current per H-bridge
- 2.2 A peak output current per H-bridge
- 305 mΩ combined high-side plus low-side on-resistance
- 42.5 kHz typical internal current-control PWM frequency
- Open-drain nFAULT output with 0.5 V maximum low voltage
- Sleep current down to 0.6 µA typical at VM = 5 V
Typical Applications
- Two DC motor drive channels
- Bipolar stepper motor drive
- Microstepped stepper motion control
- PHASE/ENABLE external-reference motor control
- Low-voltage motor drive systems
- Current-controlled H-bridge designs
Procurement Notes
When requesting a quote for DRV8834, buyers should confirm the manufacturer, package or case, required quantity, target date code, compliance documents, packing method, destination country and expected delivery schedule.
If alternatives are acceptable, buyers should share the approved vendor list, required electrical or optical limits, package constraints and qualification requirements. Any alternative part should be reviewed by the buyer's engineering team before production use.
For power IC and power device sourcing, voltage rating, current rating, power dissipation, package thermal performance, protection features, qualification grade and application conditions should be reviewed before approval.
FAQ
What motor loads can the DRV8834 drive?
The DRV8834 uses a dual H-bridge current-control motor-driver architecture. Based on the extracted datasheet facts, it can drive either two DC motors or one bipolar stepper motor.
What control modes does the DRV8834 support?
The device supports STEP/DIRECTION indexer mode and PHASE/ENABLE mode. The indexer supports up to 1/32-step microstepping, while PHASE/ENABLE mode supports external references for greater than 1/32-step microstepping.
What is the recommended motor supply range?
The recommended motor power supply voltage range is 2.5 to 10.8 V. The extracted facts note that RDS(ON) increases and maximum output current is reduced below VM = 5 V.
What current can each H-bridge provide?
Each H-bridge is specified for 1.5 A RMS or DC continuous output current at VM = 5 V and TA = 25°C, with thermal limits observed. Peak output current capability is 2.2 A per bridge.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: July 21, 2026.
This page is based on manufacturer datasheet information and LDeepAI sourcing review. Specifications should be verified against the official manufacturer datasheet before final procurement or design approval. Final electrical, optical and reliability approval should be confirmed by the buyer's engineering team.