参数资料
型号: ATA6823C-PHQW
厂商: Atmel
文件页数: 17/27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
8.
Electrical Characteristics (Continued)
All parameters given are valid for V THUV ≤ V VBAT ≤ V THOV and for –40°C ≤ ? ambient ≤ 125°C unless stated otherwise.
No.
2.8
Parameters
Blocking cap at VCC
Test Conditions
(2), (3)
Pin
29
Symbol
C VCC
Min.
1.1
Typ.
Max.
3.3
Unit
μF
Type*
D
2.9
HIGH threshold VMODE
1
VMODE H
4.0
V
A
2.10 LOW threshold VMODE
1
VMODE L
0.7
V
A
3
Reset and Watchdog
3.1
V CC threshold voltage level VMODE = “H”
for /RESET (VMODE = “L”)
29
V tHRESH
4.9
(3.25)
V
A
Tracking of reset threshold
3.1a with regulated output
voltage
VMODE = “H”
(VMODE = “L”)
29
V VCC1-VtHRESH
75
(50)
mV
A
3.2
V CC threshold voltage level VMODE = “H”
for /RESET (VMODE = “L”)
29
V tHRESL
4.0
(2.65)
V
A
3.3
3.4
3.5
Hysteresis of /RESET level
Length of pulse at /RESET
pin
Length of short pulse at
/RESET pin
VMODE = “H”
(VMODE = “L”)(4)
(5)
(5)
29
5
5
HYS RESth
t res
t resshort
70
200
7000
200
600
(400)
mV
T 100
T 100
A
A
A
3.6
Wait for the first WD trigger (5)
5
t d
7000
T 100
A
3.7
Time for VCC < V tHRESL
before activating /RESET
(4)
29
t delayRESL
0.5
2
μs
C
3.8
3.9
Resistor defining internal
bias currents for watchdog
oscillator
Watchdog oscillator period R RWD = 33k Ω
3
3
R RWD
T OSC
10
11.09
91
13.55
k Ω
μs
D
A
3.11
3.12
Watchdog input
low-voltage threshold
Watchdog input
high-voltage threshold
6
6
V ILWD
V IHWD
0.7 ×
V VCC
0.3 ×
V VCC
V
V
A
A
3.13
Hysteresis of watchdog
input voltage threshold
6
V hysWD
0.3
0.7
V
A
3.14 Close window
3.15 Open window
(5)
(5)
6
6
t1
t2
980 ×
T OSC
780 ×
T OSC
A
A
* Type: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
Notes:
1.
2.
3.
4.
5.
6.
7.
8.
9.
EN, DIR, PWM = high
The use of X7R material is recommended
For higher values, stability at zero load is not guaranteed
Tested during qualification only
Value depends on T OSC ; function tested with digital test pattern
Tested during characterization only
Supplied by charge pump
See section “Cross Conduction Time”
Voltage between source-drain of external switching transistors in active case
10. The short-circuit message will never be generated for switch-on time < t sc
Atmel ATA6823C [DATASHEET]
9209E–AUTO–03/12
17
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