CAPACITIVE TYPE FINGERPRINT SENSOR

Fingerprint verification technology is most popular biometrics solution.
Biolog Device has developed its unique capacitance-type fingerprint recognition sensor and its algorithm.

BF10A

01

Feature

- Capacitance-type Fingerprint Touch Sensor
- Low-Power Design
- Anti-Noise by Bezel Application
- Spray Coating Available on Surface
- Maximum 120um Sensing Available

Specification

Basic items Parameters Description
Sensing Pixel Array 88R * 88C
Pixel resolution 500 DPI
Supply voltage Analog Core 1.8V
IO VDD 1.8V / 3.3V
Operating average current Image Capture mode 1mA
Finger Detection mode 40uA
Junction temperature Operating temperature -40 ~ 125℃

Host interface Mode 0 SPI Up to 12MHz
IRQ Interrupt signal to inform the sensor status
ESD HBM Up to ±2kV

BF30A

02

Feature

- Capacitance-type Fingerprint Touch Sensor
- Fingerprint Sensor Touch Mode
(Tap/double-Tap/Holding mode)
- Low-Power Design
- Spray Coating / Covering Glass Available on Surface
- Maximum 230um Sensing Available

Specification

Basic items Parameters Description
Sensing Area 160R * 160C
Pixel resolution 508 DPI
Supply voltage Analog Core 3.3V
IO VDD 1.8V / 3.3V
Operating average current Image Capture mode 5mA
Finger Detection mode 35uA
Junction temperature Operating temperature -40 ~ 125℃

Host interface Mode 0 SPI Up to 12MHz
IRQ Interrupt signal to inform the sensor status
ESD HBM Up to ±8kV

BF50A (Developing)

03

Feature

- Arranged Version of BF30a Pixel Array
- Fingerprint Sensor Touch Mode
  (Tap/double-Tap/Holding mode)
- Finger Detection/Click, Flexible size image capture, image read with accelerating or rotating

Specification

Basic items Parameters Description
Sensing Area 96R * 176C
Pixel resolution 508 DPI
Supply voltage Analog Core 3.3V
IO VDD 1.8V / 3.3V
Operating average current Image Capture mode 5mA
Finger Detection mode TBD
Junction temperature Operating temperature -40 ~ 125℃

Host interface Mode 0 SPI Up to 12MHz
IRQ Interrupt signal to inform the sensor status
ESD HBM Up to ±8kV

Algorithm & Application

Self-developed fingerprint verification algorithm 'BLD Fingerprint Algorithm V1.0' and the suitability of the algorithm's capability were certified by KISA (Korea Internet & Security Agency).
The fingerprint recognition sensor and its algorithm can be utilized for various devices such as a fingerprint reader, face recognition device, smart door lock, security USB memory stick, and smart card.
01
USB Security Memory Stick
02
Smart Card
03
Door lock
04
Fingerprint Reader