参数资料
型号: ATA6823C-PHQW
厂商: Atmel
文件页数: 24/27页
文件大小: 0K
描述: IC MOTOR DVR H-BRIDGE 32QFN
标准包装: 4,000
应用: H 桥,PWM 电机控制器
评估套件: 可供
输出数: 1
电流 - 输出: 100mA
电压 - 负载: 7 V ~ 21.2 V
电源电压: 7 V ~ 21.2 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 32-VQFN 裸露焊盘
供应商设备封装: 32-QFN(7x7)
包装: 带卷 (TR)
其它名称: ATA6823C-PHQW-ND
9.
9.1
Application
General Remark
This chapter describes the principal application for which the ATA6823C was designed. Because Atmel ? cannot be considered
to understand fully all aspects of the system, application, and environment, no warranties of fitness for a particular purpose are
given.
Table 9-1.
Typical External Components
Component
C VINT
C VCC
C CC
R CC
C VG
C CP
C VRES
R RWD
R LINex
C LINex
Function
Blocking capacitor at VINT
Blocking capacitor at VCC
Cross conduction time definition capacitor
Cross conduction time definition resistor
Blocking capacitor at VG
Charge pump capacitor
Reservoir capacitor
Watchdog time definition resistor
Pull-up resistor for LIN bus (master only)
Filter capacitor for LIN bus
Value
220nF, 10V, X7R
2.2μF, 10V, X7R
Typical 330pF, 100V, COG
Typical 10k Ω
Typical 470nF, 25V, X7R
Typical 220nF, 25V, X7R
Typical 470nF, 25V, X7R
Typical 51k Ω
Typical 1k Ω
Typical 220pF, 100V
Tolerance
50%
50%
50%
10.
10.1
10.2
Errata
Faulty Pulse at DG1
A faulty pulse of approximately 100ns appears at pin 16 (DG1), signalizing short circuit condition, under following
circumstances:
General condition: PWM = HIGH
and
detected undervoltage of VBAT (signalized at pin 15 = DG2)
or
detected overvoltage of VBAT (signalized at pin 15 = DG2)
or
detected undervoltage of the charge pump (signalized at pin 15 = DG2)
or
overtemperature shutdown.
Problem Fix/Workaround
Set the software to ignore the faulty pulse.
Atmel ATA6823C [DATASHEET]
9209E–AUTO–03/12
24
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