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Texas Instruments DRV8215RTER
- Part No.:
- DRV8215RTER
- Manufacturer:
- Texas Instruments
- Category:
- Motor Drivers, Controllers
- Package:
- 16-WFQFN Exposed Pad
- Datasheet:
-
DRV8215RTER.pdf
- Description:
- 11V, 4A HALF-BRIDGE MOTOR DRIVER
- Quantity:
- Payment:
- Shipping:
Inventory:2,909
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Product details
Overview
DRV8215RTER from Texas Instruments is a 16-pin WQFN (3 × 3 mm) N-channel H-bridge brushed DC motor driver with integrated speed and voltage regulation, stall detection, and I²C-configurable current regulation. It operates from 1.65 V to 11 V VM supply, delivers up to 4-A peak output current, and features 240-mΩ total RDS(on). It enables battery-powered smart locks and portable medical devices by maintaining stable motor speed across varying input voltages while limiting inrush current.
For engineers reviewing the DRV8215RTER datasheet, DRV8215RTER pinout, DRV8215RTER application, or DRV8215RTER equivalent, this page delivers verified technical context-including I²C register control, gain-selectable current sensing down to 10 mA, soft-start/stop timing, and sensorless stall detection-critical for embedded motor control design, PCB layout optimization, and low-power system validation.
Technical Context
The DRV8215RTER implements an all-N-channel H-bridge with internal charge pump enabling 100% duty-cycle operation and logic-level compatibility with 1.8-V/3.3-V/5-V microcontrollers. Its integrated speed regulation uses real-time motor voltage and current feedback to maintain constant RPM without external encoders or tachometers.
Stall detection is implemented via programmable deglitching (1–2 µs) and configurable inrush blanking (5–6716 ms) on the IPROPI analog current sense output, while current regulation is set through VREF and tri-level gain select (CS_GAIN_SEL), dynamically adjusting both low-side RDS(on) and overcurrent trip thresholds (0.16 A to 4 A).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage (VM) | 1.65 V to 11 V - supports single-cell Li-ion to multi-cell alkaline batteries without external regulators. |
| Peak Output Current | 4 A - drives high-torque miniature motors in smart locks and infusion pumps without external current boosting. |
| RDS(on) (HS + LS) | 240 mΩ typ. - minimizes conduction loss and thermal rise at 2-A RMS, enabling compact 3 × 3 mm WQFN packaging. |
| I²C Interface | Standard & fast mode (100/400 kHz) - enables full configuration, diagnostics, and multi-follower addressing via A0/A1 pins. |
| Sleep Current | < 100 nA - extends battery life in always-on portable devices like electric toothbrushes and POS terminals. |
| Current Sense Accuracy | ±5% error at 1 A (CS_GAIN_SEL = 000b) - enables reliable closed-loop current control without external shunt resistors. |
| Stall Detection | Sensorless, IPROPI-based with programmable blanking and deglitch - eliminates need for Hall sensors or optical encoders. |
Pinout & Package
DRV8215RTER is housed in a 16-pin WQFN package (3.00 mm × 3.00 mm) with exposed thermal pad connected to PCB ground for efficient heat dissipation. The package supports reflow soldering and meets IPC/JEDEC J-STD-020 moisture sensitivity level 2a.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| OUT1 / OUT2 | H-bridge motor outputs | Direct connection to brushed DC motor terminals; support forward/reverse/brake/coast states with automatic dead-time insertion. |
| EN/IN1 & PH/IN2 | Bridge control inputs | Support PH/EN or PWM mode; internal pulldowns enable safe default state; compatible with 1.8-V/3.3-V/5-V logic. |
| VREF | Analog reference input | Sets current regulation threshold and stall detection level; voltage range limited to min(3.3 V, VVM − 1.25 V). |
| IPROPI | Analog current sense output | Proportional to motor current (244–5320 µA/A scaling); used for MCU-based load monitoring and stall reporting. |
| nFAULT | Open-drain fault indicator | Pulled low during UVLO, OCP, TSD, or OVP; requires external pullup; pulse width 30–70 µs for RC overflow events. |
| A0 / A1 | I²C address select | Tri-level inputs (GND/VCC/Hi-Z) enabling up to 9 unique I²C addresses per board for multi-driver systems. |
| nSLEEP | Ultra-low-power enable | Logic high enables operation; internal pulldown ensures sleep on power-up; <100 nA quiescent current in sleep mode. |
| SCL / SDA | I²C interface | Support standard/fast mode; require external pullups; tolerate 5.75 V max; capacitive load ≤400 pF per line. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated Speed Regulation | Maintains constant motor RPM across ±30% VM variation using internal voltage/current feedback-eliminates external tachometer or encoder. |
| Gain-Selectable Current Sensing | Three CS_GAIN_SEL modes (000b/010b/110b) scale IPROPI output for 10 mA–2 A sensing range while optimizing RDS(on) and OCP thresholds. |
| Soft-Start & Soft-Stop | Programmable inrush blanking (tINRUSH = 5–6716 ms) limits turn-on/off current spikes-protects motor windings and extends system reliability. |
| Sensorless Stall Detection | Configurable via I²C registers using IPROPI signal and deglitch time (1–2 µs)-enables autonomous stall response without position sensors. |
| Dual-Supply Architecture | Independent VM (1.65–11 V) and VCC (1.65–5.5 V) rails allow VM to drop to 0 V without triggering UVLO or disrupting logic operation. |
Applications
| Electronic Smart Lock | Portable Medical Infusion Pump |
|---|---|
|
Use Scenario: Battery-powered lock actuator requiring silent, precise, and tamper-resistant motor movement under variable mechanical load. IC Role / Device Role / Timing Role: H-bridge driver with integrated speed regulation and stall detection ensures consistent bolt travel time and immediate jam detection. Use Value: Eliminates need for position sensors and external current-sense resistors-reducing BOM count and PCB area by >30% versus discrete solutions. |
Use Scenario: Low-noise, low-power fluid delivery system operating from coin-cell or Li-ion battery with strict safety-critical fault reporting. IC Role / Device Role / Timing Role: Motor controller with I²C-configurable current limit, stall detection, and <100 nA sleep current enables long runtime and fail-safe shutdown. Use Value: Integrated OVP, TSD, and UVLO provide certified fault coverage without external protection ICs-accelerating FDA-compliant design. |
| Electric Toothbrush | Point-of-Sale (POS) Printer |
|
Use Scenario: High-vibration, space-constrained personal care device requiring smooth acceleration/deceleration and battery longevity. IC Role / Device Role / Timing Role: Motor driver with soft-start/stop and programmable current regulation prevents gear shock and optimizes torque vs. battery drain. Use Value: 240-mΩ RDS(on) and 3 × 3 mm WQFN enable direct integration into slim handle designs-no heatsink or external FETs required. |
Use Scenario: Compact thermal printer needing rapid paper feed control, stall recovery, and robust operation in retail environments. IC Role / Device Role / Timing Role: Brushed DC motor driver with I²C diagnostics and stall reporting enables firmware-driven paper jam detection and auto-recovery. Use Value: IPROPI analog output and register-accessible status flags reduce MCU GPIO usage and simplify firmware logic for field serviceability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar brushed DC motor driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DRV8214RTER | Identical RDS(on), supply range, and package; includes sensorless position sensing (not present in DRV8215RTER). | Required where commutation timing or rotor position estimation is needed-e.g., closed-loop speed control without external sensors. | Select DRV8214RTER only if position sensing is mandatory; otherwise DRV8215RTER offers lower cost and identical core motor drive capability. |
| DRV8213RTER | Lacks integrated speed regulation and stall detection; no I²C interface-only PH/EN and PWM pin control. | Suitable for cost-sensitive, non-intelligent motor control where MCU handles all regulation and diagnostics. | Choose DRV8213RTER when system-level software already implements speed control and stall detection; DRV8215RTER reduces firmware burden and improves reliability. |
Compared with DRV8214RTER and DRV8213RTER, the DRV8215RTER uniquely combines I²C configurability, integrated speed regulation, and sensorless stall detection in a 3 × 3 mm footprint-making it optimal for battery-powered devices requiring autonomous motor behavior with minimal MCU intervention.
Availability
DRV8215RTER is available at Aetrix Electronics and suitable for electronic smart locks, portable medical infusion pumps, and electric toothbrushes requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for DRV8215RTER 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 and embedded processing technologies, with decades of expertise in motor control ICs and power management solutions.
The DRV8215RTER belongs to TI's DRV8x brushed DC motor driver family, designed specifically for compact, battery-operated consumer and medical devices requiring integrated regulation, diagnostics, and ultra-low-power operation.
FAQ
What is the maximum motor supply voltage supported by the DRV8215RTER?
The DRV8215RTER supports a VM supply voltage range of 1.65 V to 11 V, with absolute maximum rating of 12 V. Operation above 11 V violates recommended conditions and may trigger overvoltage protection (OVP), forcing the H-bridge into brake state. For sustained reliability, keep VM ≤ 11 V and ensure bulk capacitance meets TI's layout guidelines.
How does the DRV8215RTER implement stall detection without external sensors?
The DRV8215RTER performs sensorless stall detection by analyzing the IPROPI analog current sense output. When motor rotation ceases, current ripple from commutation disappears-this change is detected via programmable deglitch (1–2 µs) and inrush blanking (5–6716 ms) logic. The result is reported via I²C STATUS register and asserted on the nFAULT pin.
Can the DRV8215RTER operate with a 1.8-V microcontroller I/O interface?
Yes, the DRV8215RTER supports 1.8-V, 3.3-V, and 5-V logic inputs on EN/IN1, PH/IN2, A0, A1, nSLEEP, SDA, and SCL pins. Input logic high threshold is 1.45 V min, ensuring reliable recognition of 1.8-V signals. I²C pullups may be tied to VCC or VM depending on system voltage domain requirements.
What is the purpose of the VREF pin on the DRV8215RTER?
The VREF pin sets the current regulation threshold and stall detection level. It accepts an analog voltage up to min(3.3 V, VVM − 1.25 V). Combined with CS_GAIN_SEL bits, VREF determines the motor current limit (e.g., 0.16 A to 4 A) and enables precise, software-adjustable torque control without external components.
Does the DRV8215RTER require external capacitors for its charge pump?
No-the DRV8215RTER integrates the charge pump regulator and associated capacitors internally. Only external bypass capacitors are required: 0.1-µF ceramic on VM and VCC (to GND), plus bulk capacitance on VM. This eliminates discrete charge pump components and simplifies layout while maintaining 100% duty-cycle capability.
DRV8215RTER Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 16-WFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Motor Type - Stepper:
- Bipolar
- Motor Type - AC, DC:
- Brushed DC
- Function:
- Driver - Fully Integrated, Control and Power Stage
- Output Configuration:
- Half Bridge (2)
- Interface:
- I2C, PWM
- Technology:
- Power MOSFET
- Step Resolution:
- -
- Applications:
- General Purpose
- Current - Output:
- 4A
- Voltage - Supply:
- 1.65V ~ 5.5V
- Voltage - Load:
- 0V ~ 11V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-WQFN (3x3)
DRV8215RTER FAQ
1.How can I place an order for DRV8215RTER through Aetrix?
Please submit a Request for Quotation (RFQ) for DRV8215RTER 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 DRV8215RTER reliable?
The price and inventory of DRV8215RTER are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DRV8215RTER is usually 5 days.
3.What payment methods are accepted for DRV8215RTER?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DRV8215RTER transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DRV8215RTER?
DRV8215RTER orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DRV8215RTER 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 DRV8215RTER?
For technical support, including DRV8215RTER datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DRV8215RTER requirements.
6.How does Aetrix verify that DRV8215RTER is sourced from the original manufacturer or authorized distributors?
All DRV8215RTER 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 DRV8215RTER meets industry standards.
7.What is the process for return or replacement of DRV8215RTER?
All DRV8215RTER units undergo pre-shipment inspection (PSI). If there is an issue with DRV8215RTER, 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 DRV8215RTER part is unused and in its original packaging.
Return procedure for DRV8215RTER:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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