AAT3172 View Datasheet(PDF) - Advanced Analogic Technologies
Part Name
Description
MFG CO.
'AAT3172' PDF : 15 Pages View PDF
ChargePumpTM
PRODUCT DATASHEET
AAT3172
High Current LED Flash Driver Charge Pump IC
AS2Cwire Serial Interface Addressing
Address
0
1
2
3
4
5
6
EN/SET
Rising
Edges
17
18
19
20
21
22
23
Data Register
F1 and F2 Current Scale
F1 Current Scale
F2 Current Scale
HI/LO
ON/OFF
Reserved
Voltage/Current Mode
HI/LO Scale Register (Address 3)
Data
F1
F2
1
LO
LO
2
HI
HI
3
LO
HI
4
HI
LO
ON/OFF Register (Address 4)
Data
1
2
MODE
ON
OFF
Voltage Register (Address 6)
Data
1
2
MODE
Current
Voltage
Thermal Protection
The AAT3172 has a thermal protection circuit that will
shut down the charge pump if the die temperature rises
above the thermal limit, as is the case during a short
circuit of the OUT pin.
AS2Cwire Serial Interface Timing
EN/SET
Address
T HI
T LO
TLAT
1
2
17
18
Address
0
Data
TLAT
1
2 . . . n <= 16
1
Data Reg 1
0
n-1
Data Reg 2
0
10
www.analogictech.com
3172.2008.04.1.6
Share Link: 
