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参数资料
| 型号： | TB6549HQ |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSH DC MOTOR CONTROLLER, 4.5 A, PZFM25 |
| 封装： | 1MM PITCH, PLASTIC, HZIP-25 |
| 文件页数： | 20/22页 |
| 文件大小： | 372K |
| 代理商： | TB6549HQ |
TB6549FG/PG/HQ
2009-06-16
7
Note: Be sure to set the pin PWM to High when the PWM control function is not used.
2. Standby Circuit
All circuits are turned off except the standby circuit and the charge pump circuit under the standby
condition.
The input voltage range is shown below. Input at CMOS and TTL level is possible. The input signal has
0.2 V (typ.) hysteresis.
VINSH: 2 to Vreg V
VINSL: GND to 0.8 V
Do not attempt to the control the output by inputting PWM signals to the standby pin. Doing so may
cause the output signal to become unstable, resulting in destruction of the IC. (The charge pump circuit
is turned ON/OFF by the switch of the input signal from the standby pin. If the switching cycle is
shorter than 50 ms, the charge pump circuit will not operate with precise timing. Therefore the
switching cycle of the standby pin should be longer than 50 ms.) When the Standby condition is changed
to Operation Mode, set IN1 and IN2 to Low level (Stop Mode) at first. Then switch IN1 and IN2 to High
level when the charge pump circuit reaches the stable condition, i.e., when VcpA is about VCC + 5 V.
VDD
100 k
Ω
SB
PWM ON
t5
VCC
M
GND
OUT1
VCC
M
GND
PWM OFF
t3
OUT1
VCC
M
GND
PWM ON
t1
OUT1
VCC
M
GND
PWM ON
→ OFF
t2
= 300ns (typ.)
OUT1
VCC
M
GND
PWM OFF
→ ON
t4
= 300 ns (typ.)
OUT1
GND
VCC
Output voltage
waveform
(OUT1)
t1
t2
t3
t5
t4
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TB6549HQ(O) | 功能描述:马达/运动/点火控制器和驱动器 30V Bridge DRVR 3.5A 1.0 Ohm low RDS RoHS:否 制造商:STMicroelectronics 产品:Stepper Motor Controllers / Drivers 类型:2 Phase Stepper Motor Driver 工作电源电压:8 V to 45 V 电源电流:0.5 mA 工作温度:- 25 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:HTSSOP-28 封装:Tube |
| TB6549P | 制造商:TOSHIBA 制造商全称:Toshiba Semiconductor 功能描述:Full-Bridge Driver IC for DC Motors |
| TB6549PG | 功能描述:马达/运动/点火控制器和驱动器 Bridge Driver RoHS:否 制造商:STMicroelectronics 产品:Stepper Motor Controllers / Drivers 类型:2 Phase Stepper Motor Driver 工作电源电压:8 V to 45 V 电源电流:0.5 mA 工作温度:- 25 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:HTSSOP-28 封装:Tube |
| TB6549PG(O) | 功能描述:马达/运动/点火控制器和驱动器 30V PWR Supply 3.5A Full Bridge DRVR PWM RoHS:否 制造商:STMicroelectronics 产品:Stepper Motor Controllers / Drivers 类型:2 Phase Stepper Motor Driver 工作电源电压:8 V to 45 V 电源电流:0.5 mA 工作温度:- 25 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:HTSSOP-28 封装:Tube |
| TB6551F | 制造商:TOSHIBA 制造商全称:Toshiba Semiconductor 功能描述:3-Phase Full-Wave Sine-Wave PWM Brushless Motor Controller |
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