HLK-ZW0623 HLK--ZW0623 --EngrWorld

Consumers use fingerprint recognition modules for user identity determination. When a user touches the fingerprint recognition module with a finger, the fingerprint recognition module scans

the user's fingerprint. The algorithm chip can obtain the fingerprint image data for registration and comparison. Right operation.

Product Selection List

选型表 (1)

Specfications

Project	Parameter
storage	Comes with 100 fingerprint data as standard
sensor type	capacitive touch sensor
resolution	508DPI
FRR.	<3%
FAR.	<0.001%
Fingerprint sensor shape	round
Image gray level	8-bit grayscale
Service life	a million times
Static electricity test	Contact discharge ±8KV/air discharge ±15KV
Data interface	UART (TTL level)
Sensor surface hardness	3H
Working temperature and humidity range	-30℃~+70℃: 45%~85%RH
Storage temperature and humidity range	-40℃~+85℃: 45%~95%RH

Mechanical Properties

Project	Describe	Unit
Dimensions	Φ14.5mm	mm
Ribbon	8.0*8.0	mm
Sensor size	160*160

Electrical parameters

Project		Smallest	Typical	Maximum	Unit
Supply voltage		3.0	3.3	3.6	V
Standby current (sensor)		8	10	12	μA
Operating current (algorithm MCU)		-	25	45	mA
Picture collection time		120	150	180	ms
Generate feature value time		200	220	250	ms
Comparison time		20	100	1300	ms
Power-on start time		-	100	-	ms
ESD rating	non-contact discharge	-	15	-	KV
ESD rating	contact discharge	-	8	-	KV

diagram

Electrical parameters

Directly using the fingerprint sensor FD mode, the SENSOR wake-up is highly reliable and reduces the risk of false triggering.
When there is no finger touch, the Detect signal line is low level. When the finger touches the fingerprint sensor, the signal is triggered to high level, and then changes to low level when the finger leaves
Fingerprint module workflow description:
When the fingerprint module is in sleep state, Detect is used as a wake-up signal. When the finger touches the fingerprint sensor, the interrupt signal is triggered, and then wakes up the system. The main control MCU controls the power-on of MCU_3.3V. After the fingerprint module algorithm chip is powered on and initialized, the main control MCU controls the fingerprint module through serial port commands to complete image collection and registration. , comparison task. After the task is completed, the main control chip controls the fingerprint module to sleep and controls the MCU_3.3V to power off. The system enters sleep and waits for the next round of work. After the system wakes up, the main control MCU can mask the interrupt signal, and turn on interrupt detection again before going to sleep after the task is completed.
Fingerprint sensor chip power supply requirements:
The characteristics of the fingerprint chip itself: in FD (FingerDetect) mode, that is, when the fingerprint sensor periodically scans and detects fingerprints, a peak current of about
200mAwill appear for 4us. Therefore, there are strict requirements for the power supply of the fingerprint chip. sensor_3.3V needs to control the power supply ripple within 200mV to avoid Specifications excessive power supply ripple causing the fingerprint sensor to reset at low voltage, causing the fingerprint sensor to fail to work properly.

	类型	描述
	产品类型	指纹识别模块
	制造商	Shenzhen Hi-Link
	品牌	Hi-Link
	封装/规格	1.0mm × 6Pin 卧贴
	传感器模块类型	指纹识别模块
	工作电压（Vin)	3.3V
	工作电流	待机～10μA；工作～25mA
	接口类型	TTL 串口
	工作温度	-30℃~+70℃
	包装方式	1.0mm × 6Pin 卧贴

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