KLS7250N

It’s a special design for QS BLDC motor controller for conversion kits, which can match with QS hub motor.

Key Features

1) Very easy to connect.
2) Can match with almost any brushless DC motor.
3) Soft start can be adjusted.
4) Programmable by USB and Bluetooth.
5) Quality Guarantee. (generally, no after-sale issue)

Product Information

KLS7250N Brushless Motor Controller

Specification

• Configurable battery voltage range, B+. Max operating range: 40V to 80V
• Motor Current Limit, 30 seconds: 380A
• Motor Current Limit, continuous: 110A
• Frequency of Operation: 10 kHz or 20 kHz
• Standby Battery Current: < 0.5mA
• 5V or 12V Sensor Supply Current: 40mA
• Controller supply voltage range: PWR, 40V to 90V for controllers rated equal or lower than 72V
• Supply Current, PWR, 30mA Typical
• Configurable battery voltage range, B+. Max operating range: 30V to 1.25*Nominal Voltage
• Standard Throttle Input: 0-5 Volts (3-wire resistive pot), 1-4 Volts (hall active throttle)
• Throttle Input: 0-5 Volts. Can use 3-wire pot to produce 0-5V signal
• Full Power Operating Temperature Range: 0℃ to 70℃ (MOSFET temperature)
• Operating Temperature Range: -40℃to 100℃ (MOSFET temperature)
• Max Battery Current: Configurable

Drawing of Controller

KLS7250N Controller: 210mm*162mm*87.5mm

Kelly Controller Software Interface

Kelly Controller Pin Definition

DJ7091Y-2.3-11 Pin Definition

(14) REV_SW: Reverse switch input. Orange
(6) RTN: Signal return or power supply return. Black
(12) FWD: Forward switch or can be enabled as High-speed switch function. White
(11) 12V: 12V Source. Red
(25) 12V brake switch. Yellowish
(22) ECO: Low speed switch function. Blue
(33) CAN-H: Greenish (optional function)
(7) PWR: Controller power supply (input). Pink
(34) CAN-L: Brownish (optional function)

DJ7091Y-2.3-21 Pin Definition

(15) Micro_SW: Throttle switch input. Gray
(3) Throttle: Throttle analog input, 0-5V. Dark Green
(20) RTN: Signal return. Black
(8) Meter: Copy signal of hall sensors. Dark Gray
(4) 5V: 5V supply output, <40mA. Purple
(2) Brake_AN: Brake variable regen or Boost function. Brown

DJ7061Y-2.3-21 Pin Definition

(21) RTN: Signal return. Black
(1) Temp: Motor temperature sensor input. Raddle
(5) 5V: 5V supply output, <40mA. Purple
(18) Hall A: Hall phase A. Yellow
(17) Hall B: Hall phase B. Dark Green
(16) Hall C: Hall phase C. Dark Blue

Notes

1. All RTN pins are internally connected.
2. Meter function is to copy either of hall sensors.
3. Switch to 12V is active. Open switch is inactive.
4. F-N-R control and 3-speed function cannot be used at the same time. Both use the same pin as pin12=FWD.