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Texas Instruments DRV201YMBR
- Part No.:
- DRV201YMBR
- Manufacturer:
- Texas Instruments
- Category:
- Motor Drivers, Controllers
- Package:
- 6-XFBGA
- Datasheet:
-
DRV201YMBR.pdf
- Description:
- IC MTR DRVR 2.5V-4.8V 6PICOSTAR
- Quantity:
- Payment:
- Shipping:
Inventory:1,891
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Product details
Overview
DRV201YMBR from Texas Instruments is a voice coil motor (VCM) driver IC designed for camera auto-focus systems. It integrates a 10-bit DAC, configurable linear or PWM current control (0.5–4 MHz switching), advanced ringing compensation, and I²C interface (up to 400 kHz). It delivers up to 102.3 mA output current with open/short-circuit detection on VCM pins and operates from 2.5 V to 4.8 V supply.
For engineers reviewing the DRV201YMBR datasheet, DRV201YMBR pinout, DRV201YMBR application, or DRV201YMBR equivalent, this device is selected for compact mobile camera modules requiring fast lens settling, low quiescent current in standby (120–200 µA), integrated protection, and precise 10-bit current control via I²C register writes.
Technical Context
The DRV201YMBR implements a dual-mode VCM driver stage: linear mode uses a high-side PMOS current source controlled by the 10-bit VCM_CURRENT register; PWM mode employs a half-bridge topology with internal 1-Ω sense resistor and error amplifier feedback. Ringing compensation dynamically adjusts current ramp profiles based on user-configured VCM resonance frequency (50–150 Hz).
It supports three functional states-SHUTDOWN (SCL low ≥0.5 ms), STANDBY (I²C accessible, VCM_CURRENT = 0), and ACTIVE (VCM_CURRENT ≠ 0)-with automatic fault recovery into STANDBY on overtemperature, VCM open, or VCM short events. All I/O pins meet 4-kV HBM ESD rating.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply voltage | 2.5 V to 4.8 V - enables direct integration with common mobile camera module power rails |
| Max output current | 102.3 mA - sufficient to drive typical smartphone VCMs with 11–22 Ω resistance and 30–150 µH inductance |
| DAC resolution | 10 bits - provides 1024 discrete current steps for fine-grained lens positioning control |
| I²C speed | Up to 400 kHz - supports fast register updates required for real-time autofocus algorithms |
| Operating temperature | –40°C to +85°C - qualified for consumer mobile and embedded imaging environments |
| Thermal shutdown | 140°C trip point - protects die during sustained high-current operation or poor PCB thermal design |
| Package | 6-ball DSBGA (YMB), 0.8 mm × 1.48 mm, 0.4 mm pitch - ultra-compact footprint for space-constrained camera modules |
Pinout & Package
DRV201YMBR uses a 6-ball DSBGA (Die Size Ball Grid Array) package with 0.4-mm pitch and nominal body size 0.80 mm × 1.48 mm. Package height is 0.3 mm (YMB variant). Top-side marking includes YM (year/month), D (day), S (assembly site), and solid-filled A1 ball.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VBAT (Pin 2A) | Power input | Primary supply rail for driver stage; must be decoupled near package with ≥1 µF ceramic capacitor |
| GND (Pin 1A) | Ground reference | Common return path for VCM current, logic, and internal sense resistor; requires low-impedance PCB connection |
| I_SOURCE (Pin 2B) | VCM positive terminal | High-side output driving VCM anode; connects directly to one end of voice coil winding |
| I_SINK (Pin 1B) | VCM negative terminal | Low-side output sinking VCM cathode; completes current loop through internal NMOS and sense resistor |
| SCL (Pin 2C) | I²C clock input | Asynchronous master-controlled clock; low-level duration ≥0.5 ms triggers SHUTDOWN mode transition |
| SDA (Pin 1C) | I²C bidirectional data | Open-drain interface requiring external pull-up (4.7 kΩ typical); supports auto-increment addressing and register reads/writes |
Key Features
| Feature | Design Value |
|---|---|
| Configurable linear or PWM VCM drive | Selectable via MODE register PWM/LIN bit - linear mode minimizes EMI; PWM mode improves efficiency at higher currents |
| Integrated 10-bit DAC | Directly sets VCM_CURRENT register value - eliminates external DAC and reduces BOM count and layout area |
| Advanced ringing compensation | Programmable VCM_FREQ register (50–150 Hz) - reduces lens settling time by generating optimized current ramps |
| VCM open/short-circuit detection | Hardware-monitored via dedicated comparators - flags faults in STATUS register and forces STANDBY mode |
| Undervoltage lockout (UVLO) | 2.0 V (falling) / 2.2 V (rising) with 50–250 mV hysteresis - prevents erratic operation during brown-out conditions |
Applications
| Smartphone Auto Focus | Digital Still Camera AF |
|---|---|
Use Scenario: Real-time contrast-detection or phase-detection autofocus in front/rear smartphone cameras. IC Role / Device Role / Timing Role: Precision VCM current controller that translates focus algorithm commands into lens position via 10-bit DAC and ringing-compensated ramp generation. Use Value: Achieves ±10% lens settling in ≤2/fVCM ms (e.g., ~40 ms for 50 Hz resonance), enabling sub-100-ms focus acquisition. |
Use Scenario: High-accuracy lens positioning in compact digital still cameras with mechanical zoom or macro capability. IC Role / Device Role / Timing Role: Dual-mode driver supporting both low-noise linear control for quiet operation and efficient PWM for extended battery life during burst focusing. Use Value: Delivers 102.3 mA peak current with <±10 LSB relative accuracy, ensuring repeatable lens displacement across temperature (–40°C to +85°C). |
| Web/PC Camera Modules | Security Camera Iris Control |
Use Scenario: USB-powered HD webcams requiring silent, jitter-free lens movement and minimal host CPU overhead. IC Role / Device Role / Timing Role: I²C slave device accepting register writes from host MCU to adjust focus position without continuous polling or timing-critical firmware. Use Value: Standby current of 120–200 µA extends runtime in always-on video conferencing applications; 4-kV HBM ESD protects against handling damage. |
Use Scenario: Day/night security cameras using VCM-based iris actuators for precise light admission control. IC Role / Device Role / Timing Role: Robust current driver with thermal shutdown (140°C) and open/short detection - critical for unattended outdoor deployments. Use Value: Internal current limit (110–240 mA) prevents coil burnout during actuator stall; UVLO ensures safe restart after power interruption. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar voice coil motor driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TI DRV202YFFR | Same architecture, 6-pin WCSP but YFF (0.15 mm height) package; identical electrical specs and register map | Ultra-low profile requirement (<0.15 mm) where YMB's 0.3 mm height is unacceptable | Select DRV202YFFR only when board stack height is constrained below 0.2 mm; otherwise DRV201YMBR offers better thermal performance (RθJB = 22.2°C/W vs 37°C/W) |
| ROHM BU3269KV | 8-pin HTSOP-J8 package; 12-bit DAC; no built-in ringing compensation; requires external compensation circuitry | Applications needing higher DAC resolution but tolerating longer settling time and added external components | Choose BU3269KV if 12-bit control granularity outweighs the need for autonomous ringing mitigation and smaller footprint |
Compared with DRV202YFFR, DRV201YMBR provides superior thermal dissipation in space-constrained layouts; compared with BU3269KV, it delivers faster autofocus via integrated compensation while reducing component count and PCB area.
Availability
DRV201YMBR is available at Aetrix Electronics and suitable for smartphone camera modules, digital still camera autofocus subsystems, and USB webcams requiring stable component supply, consistent wafer-lot traceability, and long-term production continuity.
Supply support for DRV201YMBR 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 company headquartered in Dallas, Texas, specializing in analog and embedded processing technologies with broad automotive, industrial, and personal electronics portfolios.
The DRV201 product line was developed specifically for miniature camera module autofocus, emphasizing ultra-small packaging, low-power operation, and intelligent motion control - targeting high-volume mobile imaging applications.
FAQ
What is the primary function of the DRV201YMBR in a camera module?
The DRV201YMBR serves as a dedicated voice coil motor (VCM) driver IC that precisely controls lens position for auto-focus. It converts I²C register commands into regulated current through the VCM winding using either linear or PWM drive modes, with integrated 10-bit DAC, ringing compensation, and fault protection - all within a 0.8 mm × 1.48 mm DSBGA package.
How does the DRV201YMBR implement ringing compensation, and what configuration is required?
The DRV201YMBR implements ringing compensation by generating optimized current ramps when the VCM_CURRENT register value changes. This requires programming the VCM_FREQ register (address 07h) with the measured VCM resonance frequency (50–150 Hz). The device tolerates ±10% variation with 1/fVCM mode or ±30% with 2/fVCM mode, enabling robust focus performance without per-unit calibration.
What are the power modes of the DRV201YMBR, and how are they entered?
The DRV201YMBR supports SHUTDOWN (SCL held low ≥0.5 ms), STANDBY (SCL rising edge or VCM_CURRENT = 0), and ACTIVE (VCM_CURRENT ≠ 0) modes. STANDBY allows full I²C register access; ACTIVE enables VCM drive; SHUTDOWN draws ≤1 µA. Faults like overtemperature or VCM open/short force automatic entry into STANDBY with status flag assertion.
Does the DRV201YMBR require external components for basic operation?
Yes - the DRV201YMBR requires an external 4.7 kΩ pull-up resistor on SDA and SCL lines, and a minimum 1 µF ceramic decoupling capacitor between VBAT and GND placed adjacent to the package. No external sense resistor, DAC, or compensation network is needed due to full integration of those functions within the DRV201YMBR die.
What protection features are built into the DRV201YMBR?
The DRV201YMBR includes undervoltage lockout (2.0–2.2 V threshold), thermal shutdown (140°C trip), VCM open-circuit and short-circuit detection, internal current limiting (110–240 mA), and 4-kV HBM ESD protection on all pins. These features autonomously disable the driver output and set status flags without host intervention, enhancing system reliability in mobile camera applications.
DRV201YMBR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 6-XFBGA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Motor Type - Stepper:
- -
- Motor Type - AC, DC:
- Voice Coil Motor
- Function:
- Driver - Fully Integrated, Control and Power Stage
- Output Configuration:
- Half Bridge
- Interface:
- I2C
- Technology:
- NMOS, PMOS
- Step Resolution:
- -
- Applications:
- Camera
- Current - Output:
- 102.3mA
- Voltage - Supply:
- 2.5V ~ 4.8V
- Voltage - Load:
- 2.5V ~ 4.8V
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-PicoStar (0.8x1.48)
DRV201YMBR FAQ
1.How can I place an order for DRV201YMBR through Aetrix?
Please submit a Request for Quotation (RFQ) for DRV201YMBR 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 DRV201YMBR reliable?
The price and inventory of DRV201YMBR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DRV201YMBR is usually 5 days.
3.What payment methods are accepted for DRV201YMBR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DRV201YMBR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DRV201YMBR?
DRV201YMBR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DRV201YMBR 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 DRV201YMBR?
For technical support, including DRV201YMBR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DRV201YMBR requirements.
6.How does Aetrix verify that DRV201YMBR is sourced from the original manufacturer or authorized distributors?
All DRV201YMBR 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 DRV201YMBR meets industry standards.
7.What is the process for return or replacement of DRV201YMBR?
All DRV201YMBR units undergo pre-shipment inspection (PSI). If there is an issue with DRV201YMBR, 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 DRV201YMBR part is unused and in its original packaging.
Return procedure for DRV201YMBR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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