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AS8846 数据表(PDF) 19 Page - ams AG

部件名 AS8846
功能描述  Programmable PWM DC Motor Driver / Controller
PDF  35 Pages
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制造商  AMSCO [ams AG]
网页  http://www.ams.com
标志 AMSCO - ams AG

AS8846 数据表(HTML) 19 Page - ams AG

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Data Sheet AS8446
Revision 1.8, Date 2005-03-17
Page 19 of 35
Programming of the battery voltage monitor and over / under voltage detection
R11= 0
à VBAT_RANGE = 5 à Vbat-max = 20 V
R11= 1
à VBAT_RANGE = 8 à Vbat-max = 32 V
R11= 2
à VBAT_RANGE = 10 à Vbat-max = 40 V
R11= 3
à VBAT_RANGE = 15 à Vbat-max = 60 V
R11= 4
à VBAT_RANGE = 20 à Vbat-max = 80 V
Register write by: Three-Wire Interface
Register read by: Three-Wire Interface and voltage monitor
-
-
-
-
-
d2
d1
d0
R11<2:0>
VBAT_RANGE
---
--
0
1
0
start up values
R11= 0
à VBAT_RANGE = 5 à Vbat-max = 20 V
R11= 1
à VBAT_RANGE = 8 à Vbat-max = 32 V
R11= 2
à VBAT_RANGE = 10 à Vbat-max = 40 V
R11= 3
à VBAT_RANGE = 15 à Vbat-max = 60 V
R11= 4
à VBAT_RANGE = 20 à Vbat-max = 80 V
Register write by: Three-Wire Interface
Register read by: Three-Wire Interface and voltage monitor
-
-
-
-
-
d2
d1
d0
R12<2:0>
OVER_VOLT
---
--
1
1
1
start up values
Step of UNDER_VOLT = 0.25 V * VBAT_RANGE
UNDER_VOLT = 0.25 V * VBAT_RANGE * (R13 + 1)
Start up value: UNDER_VOLT = 7.5 V
Register write by: Three-Wire Interface
Register read by: Three-Wire Interface and voltage monitor
-
-
-
-
-
d2
d1
d0
R13<2:0>
UNDER_VOLT
---
--
0
0
0
start up values
Programming of the charge pump voltages
R14 = 0
à VPUMP_MIN = 4.0 V
R14 = 1
à VPUMP_MIN = 6.0 V
Register write by: Three-Wire Interface
Register read by: Three-Wire Interface and charge pump
---
----
d0
R14<0:0>
VPUMP_MIN
---
----
0
start up values



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