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▼Motor Driver 15A 18v15 / MOSFET H橋電機驅動器(PI755)
NT$2,400
運費NT$50
條碼7338
產品說明

※本產品原廠代理從國外進口,有些交期較長,下訂前請詢問!

 

Pololu High-Power Motor Driver 18v15

Motor Driver 15A IRF7862PB (ROB-09107 / PI755) 

Description: The Pololu 15 Amp high-power motor driver is a discrete MOSFET H-bridge designed to drive one DC brushed motor. The H-bridge is made up of one N-channel MOSFET per leg, and most of the board’s performance is determined by these MOSFETs (the rest of the board contains the circuitry to take user inputs and control the MOSFETs). The board supports a wide 5.5 to 24 V voltage range and is efficient enough to deliver a continuous 15 A without a heat sink, or 21 A with a heat sink.

    With the PWM pin held low, both motor outputs will be held low (a brake operation). With PWM high, the motor outputs will be driven according to the DIR input. This allows two modes of operation: sign-magnitude, in which the PWM duty cycle controls the speed of the motor and DIR controls the direction, and locked-antiphase, in which a pulse-width-modulated signal is applied to the DIR pin with PWM held high

    The included axial capacitor should be mounted to the + and - holes in the middle of the PCB. Make sure the cap is connected with the correct orientation. 

    Note: Batteries that are nominally 24 V can be much higher than that when fully charged; this product is therefore not recommended for use with 24 V batteries unless appropriate measures are taken to limit the peak voltage.



Features:

  • IRF7862PBF MOSFETs Motor Driver
  • 1 Motor Channel
  • Operating Voltage: 5.5 - 24V
  • Continuous output current: 15 Amps
  • Peak output current: 170 Amps
  • Max PWM frequency: 40kHz
  • MOSFET on-resistance: 3.7mOhm

Dimensions: 1.3" x 0.8"

電機通道: 1
最低工作電壓: 5.5 V
最大工作電壓: 30 V
每通道連續輸出電流: 15 A 2
最大PWM頻率: 40 kHz 3
最大邏輯電壓: 5.5 V
MOSFET導通電阻(每支最大值): 3.5mΩ
反向電壓保護?: ñ

筆記:

1
沒有任何連接器或通孔電容器。
2
典型結果,室溫下佔空比為100%。如果MOSFET通過氣流或散熱器保持冷卻,則連續電流可高達21 A.
3
更高的頻率是可能的,但佔空比將受到每個週期約3μs的死區時間的限制。

 

 

Documents: 

IRF8734 datasheet (279k pdf)
Datasheet for the IRF8734PBF MOSFET.
IRF7862 datasheet (256k pdf)
Datasheet for IRF7862PBF MOSFET.
Drill guide for Pololu High-Power Motor Driver 18v15 and 36v9 (69k dxf)
This DXF drawing shows the locations of all of the board’s holes.

Pololu G2 High-Power Motor Drivers
Motor
channels
Name Absolute max
input voltage
Max nominal
battery voltage
Max continuous
current per
channel
Default active
current-limiting
threshold
1 G2 High-Power Motor Driver 18v25 30 V 18 V 25 A 60 A
G2 High-Power Motor Driver 18v17 17 A 40 A
G2 High-Power Motor Driver 24v21 40 V 28 V 21 A 50 A
G2 High-Power Motor Driver 24v13 13 A 30 A
2 Dual G2 High-Power Motor Driver 18v22 Shield 30 V 18 V 22 A 60 A
Dual G2 High-Power Motor Driver 18v18 Shield 18 A 50 A
Dual G2 High-Power Motor Driver 24v18 Shield 40 V 28 V 18 A 50 A
Dual G2 High-Power Motor Driver 24v14 Shield 14 A 40 A
Pololu high-power motor drivers
Name Max nominal battery voltage (V) Max continuous current (A) w/o heat sink
High-power motor driver 18v25 CS 18 25
High-power motor driver 18v25 18 25
High-power motor driver 18v15 18 15
High-power motor driver 24v23 CS 28 23
High-power motor driver 24v20 28 20
High-power motor driver 24v12 28 12
High-power motor driver 36v20 CS 36 20
High-power motor driver 36v15 36 15
High-power motor driver 36v9 36 9

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本商品上架日期:2013-07-05.
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