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參數(shù)資料
| 型號(hào)： | DRV8800PWPR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | BRUSH DC MOTOR CONTROLLER, 2.8 A, PDSO16 |
| 封裝： | PLASTIC, HTSSOP-16 |
| 文件頁數(shù)： | 8/27頁 |
| 文件大?。?/td> | 952K |
| 代理商： | DRV8800PWPR |
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2
SLVS855E – JULY 2008 – REVISED OCTOBER 2010
www.ti.com
Slow-Decay SR (Brake Mode)
In slow-decay mode, both low-side sinking drivers turn on, allowing the current to circulate through the H-bridge’s
low side (two sink drivers) and the load. Power dissipation I2R loses in the two sink DMOS drivers:
(2)
SENSE
A low-value resistor can be placed between the SENSE pin and ground for current-sensing purposes. To
minimize ground-trace IR drops in sensing the output current level, the current-sensing resistor should have an
independent ground return to the star ground point. This trace should be as short as possible. For low-value
sense resistors, the IR drops in the PCB can be significant, and should be taken into account.
NOTE
When selecting a value for the sense resistor, SENSE does not exceed the maximum
voltage of ±500 mV. The H-bridge is disabled and enters recirculation while motor winding
current is above a SENSE voltage equal or greater than 500 mV.
Ground
A ground power plane should be located as close to the DRV8800/DRV8801 as possible. The copper ground
plane directly under the PowerPAD package makes a good location. This pad can then be connected to ground
for this purpose.
Layout
The printed circuit board (PCB) should use a heavy ground plane. For optimum electrical and thermal
performance, the DRV8800/DRV8801 must be soldered directly onto the board. On the underside of the
DRV8800/DRV8801 is a PowerPAD package, which provides a path for enhanced thermal dissipation. The
thermal pad should be soldered directly to an exposed surface on the PCB. Thermal vias are used to transfer
heat to other layers of the PCB. For more information on this technique, please refer to document SLMA002.
The load supply pin, VBB, should be decoupled with an electrolytic capacitor (typically 100 mF) in parallel with a
ceramic capacitor placed as close as possible to the device. The ceramic capacitors between VCP and VBB,
connected to VREG, and between CP1 and CP2 should be as close to the pins of the device as possible, in
order to minimize lead inductance.
16
Copyright 2008–2010, Texas Instruments Incorporated
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DRW16 | ROTARY CODED SWITCH-16POSITIONS, HEXADECIMAL, LATCHED, THROUGH HOLE-STRAIGHT |
| 5-1437584-7 | ROTARY CODED SWITCH-16POSITIONS, HEXADECIMAL, LATCHED, THROUGH HOLE-STRAIGHT |
| DS-1177 | Power Dividers Space Qualified |
| DS-1178 | Power Dividers Space Qualified |
| DS-117 | Three-Way Power Dividers 1300 MHz |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DRV8800RTYR | 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 Full Bridge Motor Driver RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| DRV8800RTYT | 功能描述:馬達(dá)/運(yùn)動(dòng)/點(diǎn)火控制器和驅(qū)動(dòng)器 Full Bridge Motor Driver RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube |
| DRV8801 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DMOS FULL-BRIDGE MOTOR DRIVERS |
| DRV8801A0RTY | 制造商:TI 制造商全稱:Texas Instruments 功能描述:DMOS FULL-BRIDGE MOTOR DRIVERS |
| DRV8801AQRMJRQ1 | 功能描述:Bipolar Motor Driver DMOS Parallel 16-WQFN (4x4) 制造商:texas instruments 系列:汽車級(jí)，AEC-Q100 包裝:剪切帶（CT） 零件狀態(tài):有效 電機(jī)類型 - 步進(jìn):雙極性 電機(jī)類型 - AC，DC:有刷直流 功能:驅(qū)動(dòng)器 - 全集成，控制和功率級(jí) 輸出配置:半橋（2） 接口:并聯(lián) 技術(shù):DMOS 步進(jìn)分辨率:- 應(yīng)用:通用 電流 - 輸出:2.8A 電壓 - 電源:6.5 V ~ 36 V 電壓 - 負(fù)載:6.5 V ~ 36 V 工作溫度:-40°C ~ 150°C（TJ） 安裝類型:表面貼裝 封裝/外殼:16-WQFN 裸露焊盤 供應(yīng)商器件封裝:16-WQFN（4x4） 標(biāo)準(zhǔn)包裝:1 |
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