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Product Detailed Parameters
- Description：IC MTR DRV PIEZO 3V-5.5V 20WFBGA
- Series：-
- Mfr：Boreas Technologies
- Package：Tape & Reel (TR),Cut Tape (CT)
- Motor Type - Stepper：-
- Motor Type - AC, DC：Piezo
- Function：Driver - Fully Integrated, Control and Power Stage
- Output Configuration：Differential
- Interface：I2C/I3C
- Technology：Power MOSFET
- Step Resolution：-
- Applications：Haptic Feedback, Sensing
- Current - Output：-
- Voltage - Supply：3V ~ 5.5V
- Voltage - Load：95V
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：20-WFBGA, WLCSP
- Supplier Device Package：20-WLCSP (2.08x1.68)
- Grade：-
- Qualification：-
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Overview
The BOS1921CWR is a piezo haptic driver featuring a digital front end, manufactured by Boreas Technologies. It operates within a supply voltage range of 3 V to 5.5 V and draws a typical operating current of 14.5 mA. The device delivers an output voltage of 190 Vpp with a load voltage rating of 95 V. It supports frequencies from 3.9 Hz to 1 kHz and functions across temperatures from -40 C to +85 C. Packaged in a WLCSP-20 format for surface mount installation, it provides one output channel.
Feature Summary
- Integrates a digital front end for piezo actuator control
- Generates high-voltage outputs suitable for haptic feedback applications
- Utilizes CapDrive technology for efficient piezo driving
Applications
- Piezo haptic actuators
- Mobile device vibration feedback systems
- Wearable technology tactile interfaces
Procurement Notes
Verify the specific ordering suffix and package variant against the manufacturer's official datasheet to ensure compatibility with your design requirements. Confirm RoHS compliance status and check for any recent updates to the technical specifications before finalizing procurement orders.
Selection Notes
Select this component when a compact WLCSP package is required for space-constrained designs. Ensure the application demands a single-channel driver capable of generating up to 190 Vpp. Verify that the system power supply falls within the 3 V to 5.5 V range and that the thermal environment stays between -40 C and +85 C.
Part Context
This part belongs to the BOS1921 series of haptic drivers from Boreas Technologies. The series includes variants such as the BOS1921CQR in a QFN-24 package. The BOS1921CWR specifically offers a wafer-level chip-scale packaging solution optimized for high-density PCB layouts.
Replacement Considerations
The BOS1921CQR serves as a package alternative within the same series, offering identical electrical characteristics but in a QFN-24 footprint. Direct pin-to-pin replacement is not possible due to the different package types; PCB redesign may be necessary.
