DRV201A
- Configurable for Linear or PWM Mode VCM
Current Generation - High Efficiency PWM Current Control for VCM
- Advanced Ringing Compensation
- Integrated 10-bit D/A Converter for VCM Current
Control - Protection
- Open and Short-Circuit Detection
- Undervoltage Lockout (UVLO)
- Thermal Shutdown
- Internal Current Limit for VCM Driver
- 4-kV ESD-HBM
- I2C Interface
- Improved PWM-to-Linear Mode Setting Time vs.
DRV201 - Improved EMC Performance vs. DRV201
- Improved PWM-to-Linear Mode Settling Time vs.
DRV201 - Improved EMC Performance vs. DRV201
- Operating Temperature Range: –40°C to 85°C
- 6-Ball WCSP Package With 0.4-mm Pitch
- Max Die Size: 0.806 mm × 1.49 mm
- Max Package Height: 0.3 mm
The DRV201A is an advanced voice coil motor driver for camera auto focus. It has an integrated D/A converter for setting the VCM current. VCM current is controlled with a fixed frequency PWM controller or a linear mode driver. Current generation can be selected via I2C register. The DRV201A has an integrated sense resistor for current regulation and the current can be controlled through I2C.
When changing the current in the VCM, the lens ringing is compensated with an advanced ringing compensation function. Ringing compensation reduces the needed time for auto focus significantly. The device also has VCM short and open protection functions.
技術文件
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檢視所有 2 | 類型 | 標題 | 日期 | ||
|---|---|---|---|---|
| * | Data sheet | DRV201A Voice Coil Motor Driver for Camera Auto Focus datasheet (Rev. A) | PDF | HTML | 2014年 10月 29日 |
| User guide | DRV201A Evaluation Module | 2013年 6月 18日 |
設計與開發
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| 封裝 | 引腳 | 下載 |
|---|---|---|
| PICOSTAR (YMB) | 6 | 檢視選項 |
訂購與品質
內含資訊：
- RoHS
- REACH
- 產品標記
- 鉛塗層/球物料
- MSL 等級/回焊峰值
- MTBF/FIT 估算值
- 材料內容
- 資格摘要
- 進行中可靠性監測
內含資訊：
- 晶圓廠位置
- 組裝地點