参数资料
型号: TLE8201R
厂商: INFINEON TECHNOLOGIES AG
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PDSO36
封装: PLASTIC, SOP-36
文件页数: 5/45页
文件大小: 593K
代理商: TLE8201R
TLE 8201R
Data Sheet Rev. 2.0
13
2006-06-07
4.2.3
Current Sense
A current proportional to the output current that flows from the selected power output to
GND is provided at the ISO (I sense out) pin. The output selection is done via the SPI.
The sense current can be transformed into a voltage by an external sense resistor and
provided to an A/D converter input (see section application).
4.2.3.1
Characteristics Current Sense
Electrical Characteristics
8 V <
V
S < 20 V; 4.75 V < VCC < 5.25 V; INH = High; all outputs open;
-40
°C < T
j < 150 °C; unless otherwise specified
Pos. Parameter
Sym-
bol
Limit Values
Unit Conditions
min.
typ.
max.
HS1, HS2 (Register IS = 000, 001)
4.2.13 Output voltage range
V
ISO12
0
–3V
V
CC = 5 V
4.2.14 Current Sense Ratio
k
ILIS12
2000
k
ILIS = IOUT/IISO
I
OUT > 3 A
4.2.15 Current Sense accuracy
k
ILISacc
12
––
10
%
4.2.16 Matching
k
ILIS1
2
-6
12%
k
ILIS12 = (kILIS1
-
k
ILIS2) / kILIS1
HS3, HS4 (Register IS = 010, 011)
4.2.17 Output voltage range
V
ISO34
0
–3V
V
CC = 5 V
4.2.18 Current Sense Ratio
k
ILIS34
1000
k
ILIS = IOUT/IISO
I
OUT > 1.5 A
4.2.19 Current Sense accuracy
k
ILISacc
––
10
%
HS7 (Register IS = 100)
4.2.20 Output voltage range
V
ISO7
0
–3V
V
CC = 5 V
4.2.21 Current Sense Ratio for HS7
k
ILIS7
2000
k
ILIS = IOUT/IISO
I
OUT > 2A
4.2.22 Current Sense accuracy
k
ILISacc
––
10
%
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