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參數(shù)資料
| 型號(hào)： | AS8846 |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Programmable PWM DC Motor Driver / Controller |
| 中文描述： | 可編程的PWM直流電動(dòng)機(jī)驅(qū)動(dòng)器/控制器 |
| 文件頁數(shù)： | 18/35頁 |
| 文件大?。?/td> | 1433K |
| 代理商： | AS8846 |
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Data Sheet AS8446
Revision 1.8, Date 2005-03-17
Page 18 of 35
R7 = 0
R7 = 1
R7 = 2
:
R7 = 10
R7 = 11
:
R7 = 19
R7 = 20
R7 > 20
Register write by: Three-Wire Interface
Register read by: Three-Wire Interface and current measurement unit
-
-
-
d4
-
-
-
0
R8 = 0
AV_RANGE-norm = 1 (default value)
R8 = 1
AV_RANGE-norm = 2
R8 = 2
AV_RANGE-norm = 3
R8 = 3
AV_RANGE-norm = 4
Register write by: Three-Wire Interface
Register read by: Three-Wire Interface and current measurement unit
-
-
-
-
-
-
-
-
Threshold value of the internal over current detection
Def.: Vocmax = 4/5 * VDD
Vocstep = (4/5 * VDD) / 8
R9 = 0
OVERC_level = Vocmax
R9 = 1
OVERC_level = Vocmax – Vocstep
R9 = 2
OVERC_level = Vocmax - 2*Vocstep
R9 = 3
OVERC_level = Vocmax - 3*Vocstep
:
R9 = 7
OVERC_level = Vocmax - 7*Vocstep
Register write by: Three-Wire Interface
Register read by: Three-Wire Interface and current measurement unit
-
-
-
-
-
-
-
-
Voltage amplification factor2 of the over current analogue measurement
output (A_overc)
R10 = 0
AV_RANGE_over = 1 * 1/4 (default value)
R10 = 1
AV_RANGE_over = 2 * 1/4
R10 = 2
AV_RANGE_over = 3 * 1/4
R10 = 3
AV_RANGE_over = 4 * 1/4
Register write by: Three-Wire Interface
Register read by: Three-Wire Interface and current measurement unit
-
-
-
-
-
-
-
-
AV_TRIMM = 70
AV_TRIMM = 71
AV_TRIMM = 72
AV_TRIMM = 80 (default value)
AV_TRIMM = 81
AV_TRIMM = 89
AV_TRIMM = 90
AV_TRIMM = 90
d3
1
d2
0
d1
1
d0
0
R7<4:0>
AV_TRIMM
start up values
-
-
-
-
d1
0
d0
0
R8<1:0>
AV_RANGE_norm
start up values
(typ. 4.0 V)
(typ. 0.5 V)
(typ. 4.0 V)
(typ. 3.5 V)
(typ. 3.0 V)
(typ. 2.5 V)
(typ. 0.5 V)
-
-
d2
0
d1
1
d0
1
R9<2:0>
OVERC_level
start up values
-
-
-
-
d1
0
d0
0
R10<1:0>
AV_RANGE_over
start up values
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| AS9C25256M2036L-200BC | 2.5V 256/128K X 36 Synchronous Dual-port SRAM with 3.3V or 2.5V interface |
| AS9C25128M2036L-200BC | 2.5V 256/128K X 36 Synchronous Dual-port SRAM with 3.3V or 2.5V interface |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AS8857-01-49K9F/TE | 制造商:Vishay Intertechnologies 功能描述:CRCW080549K9FKTA |
| AS8857-02-140KF/TE | 制造商:Vishay Angstrohm 功能描述:CRCW0805140KFKEA |
| AS8857-02-1K65F/TE | 制造商:Vishay Angstrohm 功能描述:CRCW08051K65FKEA |
| AS8857-02-3K57F/TE | 制造商:Vishay Angstrohm 功能描述:CRCW08053K57FKEA |
| AS8857-02-3K65F/TE | 制造商:Vishay Angstrohm 功能描述:CRCW08053K65FKEA |
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