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JUYI JY02A Brushless Motor Driver IC 3-Phase Sensorless BLDC Controller, High Efficiency 5V SPWM Drive Chip for Smart Pumps, Cooling Fans, Air

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JUYI JY02A Brushless Motor Driver IC 3-Phase Sensorless BLDC Controller, High Efficiency 5V SPWM Drive Chip for Smart Pumps, Cooling Fans, Air

Name: JUYI JY02A Brushless Motor Driver IC 3Phase Sensorless BLDC Controller High Efficiency 5V SPWM Drive Chip for Smart Pumps Cooling Fans Air
Brand: JUYI
Price: 1 USD

Wholesale JUYI JY02A Brushless Motor Driver IC 3-Phase Sensorless BLDC Controller, High Efficiency 5V SPWM Drive Chip for Smart Pumps, Cooling Fans, Air from china suppliers

Brand Name : JUYI

Model Number : JY02A

Certification : ISO

Place of Origin : China Mainland

MOQ : 1

Price : Negotiable

Payment Terms : Paypal,L/C,T/T

Supply Ability : 10000pcs/day

Delivery Time : 3-5 working days

Packaging Details : PE bag+ carton

Operation Temperature : -50℃~125℃

Small Footprint Package : SSOP-20

Control Interface : PWM

Operating Voltage : 4.5-5.5V

Matched Motor : Sensorless BLDC Motor

Overload Protection : Yes

Blocking Protection : Yes

High Frequency Circuits : Yes

Pwm Frequency : Up to 100kHz

Model : JY02A

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Overview

The JY02A is a fully integrated sensorless BLDC motor driver IC, designed for simple application, high efficiency, and reliable protection. It eliminates the need for external comparators or programming, offering excellent adaptability for various BLDC motor systems.

Typical applications: Robotic vacuums, automotive water pumps, circulation pumps, fans, compressors, power tools, automatic doors, AGV vehicles, and other BLDC-driven systems.

Main Features

Operating Voltage: 4.5 V – 5.5 V
Drive Mode: SPWM, 13 kHz
Motor Type: Sensorless 3-phase BLDC motor
Speed Control: 0–5 V analog input
Rotation Direction: Forward / Reverse (Z/F control)
Soft Start & Smooth Reversal
Built-in BEMF Detection Circuit
Current, Voltage, Temperature, and Short-Circuit Protection
Adaptive Startup and Power Factor Correction
Automatic Restart after fault
Operating Temperature: –50 °C – 125 °C

Electrical Characteristics

Parameter	Min	Typ	Max	Unit	Notes
VDD	4.5	5.0	5.5	V	Supply voltage
IDD	—	9	—	mA	No load
VIL / VIH	0.3 / 3.5	—	—	V	Logic input level
EMF Voltage	0.01	—	4.5	V	Effective BEMF
Start Torque Voltage	0	—	2.5	V	QD pin
Under-Voltage	0.75	0.8	0.85	V	Protection
Over-Voltage	2.95	3.0	3.05	V	Protection
Constant Current Limit	38	40	43	mV	IS (A) pin
Over-Current Trip	87	90	95	mV	IS (B) pin

Pin Functions (Simplified)

Pin	Name	Function
1–3	EMFA/B/C	BEMF sensing inputs
2	VR	0–5 V speed control
5	VDD	Power supply (5 V)
6	IS	Current sense input
8	TC	Temperature detection
9	QD	Start torque adjustment (0–2.5 V)
10–15	UH–WL	3-phase bridge outputs
16	Z/F	Forward/Reverse control
17	M	Speed pulse output
18	EMF	BEMF common reference
4	GND	Ground

Functional Highlights

Over-Current & Constant Current Control: Maintains stable drive current when IS > 40 mV; protection triggered at ≥ 90 mV.
Blocked-Rotor Protection: Auto-restart up to 10 times; stops if restart fails.
Temperature Protection (TC Pin): Works with NTC 10K 3950; activates near 100 °C.
Soft Direction Change: Smooth transition between CW/CCW, protecting MOSFETs and motor.
Speed Signal Output (FG): Outputs one pulse per commutation for precise speed feedback.
Startup Torque Control: Adjustable via QD (0–2.5 V); typical range 0–0.8 V.

Typical Application Circuits

Low Power: 7.5–28 V DC / 3 A / 30 W
Medium Power: 12–36 V DC / 16 A / 500 W
High Voltage: 80–265 VAC / 1 A / 150 W

Package

Standard SSOP-20
Compact design, ideal for small-space applications

Notes

JY02A is a second-generation sensorless BLDC controller integrating all key circuits for efficient and stable motor control.
Specifications are subject to change for performance improvement. Please confirm with the latest datasheet before design use.

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