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参数资料
| 型号： | TPIC0107BDWP |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSH DC MOTOR CONTROLLER, 7.5 A, PDSO20 |
| 封装： | PLASTIC, SOP-20 |
| 文件页数： | 15/15页 |
| 文件大小： | 283K |
| 代理商： | TPIC0107BDWP |
TPIC0107B
PWM CONTROL INTELLIGENT HBRIDGE
SLIS067A NOVEMBER 1998 REVISED APRIL 2002
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PRINCIPLES OF OPERATION
protective functions and diagnostics
over current/short circuit
The TPIC0107B detects shorts to VCC, ground, or across the load being driven, by comparing the VDS voltage
drop across the DMOS outputs against the threshold voltage. The DMOS outputs of the TPIC0107B will be
disabled and the fault flags will be generated 10
s after an over-current or short-circuit fault is detected. This
10
s delay is long enough to serve as a de-glitch filter for high current transients, yet short enough to prevent
damage to the DMOS outputs. The DMOS outputs remain latched off until either DIR or PWM input is toggled.
In cases where the outputs have a continuous short-to-ground with a current rise time faster than 0.5 A/
s, the
over-current shutdown threshold will decrease to 3 A to reduce power dissipation. This reduction to 3 A is
achieved since the DMOS outputs will not be fully enhanced when the over-current threshold is reached if the
current rise time exceeds 0.5 A/
s. Over-current and/or short-circuit protection is provided up to VCC = 16.5 V
and a junction temperature of 90
°C.
over temperature
The TPIC0107B disables all DMOS outputs and the fault flags will be set when TJ ≥140°C (min.). The DMOS
outputs remain latched off until either DIR or PWM input is toggled.
under voltage
The TPIC0107B disables all DMOS outputs when VCC ≤V(UVCC). The outputs will be re-enabled when
VCC ≥V(UVCC). No fault flags are set when under-voltage lockout occurs.
over voltage
In order to protect the DMOS outputs from damage caused by excessive supply voltage, the TPIC0107B
disables all outputs when VCC ≥V(OVCC). Once VCC ≤V(OVCC), either DIR or PWM input must be toggled to
re-enable the DMOS outputs.
cross conduction
Monitoring circuitry for each transistor detects whether the particular transistor is active to prevent the HSD or
LSD of the corresponding half H-bridge from conducting.
open circuit
During operation, the bridge current is controlled continuously. If the bridge current is >10 mA (min.) for a period
>1 ms (min.), the fault flags are set. However, the output transistors will not be disabled.
All limits mentioned are typical values unless otherwise noted.
If a short circuit occurs (i.e., the over-current detection circuitry is activated) at a supply voltage higher than 16.5 V and a junction temperature
higher than 90
°C, damage to the device may occur.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPIC0107BDWPR | 制造商:Texas Instruments 功能描述:IC PWM CONTROL HALF BRIDGE HSOP20 |
| TPIC0108 | 制造商:TI 制造商全称:Texas Instruments 功能描述:PWM CONTROL INTELLIGENT H-BRIDGE |
| TPIC0108B | 制造商:TI 制造商全称:Texas Instruments 功能描述:PWM CONTROL INTELLIGENT H-BRIDGE |
| TPIC0108BDWP | 功能描述:INTEL H-BRIDGE 180 MOHM 20-HSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 电机和风扇控制器，驱动器 系列:- 标准包装:1 系列:- 应用:直流电机驱动器，步进电机驱动器 评估套件:- 输出数:1 或 2 电流 - 输出:750mA 电压 - 负载:10 V ~ 40 V 电源电压:4.5 V ~ 5.5 V 工作温度:-20°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-BFSOP（0.295"，7.50mm 宽） 供应商设备封装:24-SOP 包装:Digi-Reel® 其它名称:MTS62C19A-HS105DKR |
| TPIC0108BDWPR | 功能描述:INTEL H-BRIDGE 180 MOHM 20-HSOIC RoHS:是 类别:集成电路 (IC) >> PMIC - 电机和风扇控制器，驱动器 系列:- 标准包装:1 系列:- 应用:直流电机驱动器，步进电机驱动器 评估套件:- 输出数:1 或 2 电流 - 输出:750mA 电压 - 负载:10 V ~ 40 V 电源电压:4.5 V ~ 5.5 V 工作温度:-20°C ~ 70°C 安装类型:表面贴装 封装/外壳:24-BFSOP（0.295"，7.50mm 宽） 供应商设备封装:24-SOP 包装:Digi-Reel® 其它名称:MTS62C19A-HS105DKR |
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