參數(shù)資料
型號(hào)： L6924D013TR
廠商： STMICROELECTRONICS
元件分類： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, QCC16
封裝： 3 X 3 MM, VFQFPN-16
文件頁(yè)數(shù)： 34/38頁(yè)
文件大?。?/td> 1454K
代理商： L6924D013TR
L6924D
Pins description and connection diagrams
Doc ID 11908 Rev 9
5/38
2
Pins description and connection diagrams
Figure 3.
Pins connection (top view)
2.1
Pin description
V
OSNS
I
END
V
INSNS
V
IN
GND SD
ST1
ST2
V
OPRG
I
PRG
T
PRG
TH
V
OSNS
I
PRE
I
END
V
REF
V
OUT
V
PRE
Table 2.
Pin functions
Pin
I/O
Name
Pin description
1I
VIN
Input pin of the power stage.
2I
VINSNS
Supply voltage pin of the signal circuitry.
The operating input voltage ranges from 2.5 V to 12 V and the start-up threshold is 4 V.
3-4
O
ST2-ST1 Open-collector status pins.
5I
TPRG
Maximum charging time program pin.
It must be connected with a capacitor to GND to fix the maximum charging time, see
6
-
GND
Ground pin.
7I
SD
Shutdown pin.
When connected to GND enables the device; when floating disables the device.
8I
TH
Temperature monitor pin.
It must be connected to a resistor divider including an NTC or PTC resistor. The charge
process is disabled if the battery temperature (sensed through the NTC or PTC) is out of the
programmable temperature window see Chapter 8.1: NTC thermistor on page 23.
9I
VOPRG
Output voltage selection pin.
VOUT = 4.1 V if left floating. VOUT = 4.2 V if connected to GND.
10
I
VOSNS
Output voltage sense pin.
It senses the battery voltage to control the voltage regulation loop.
11
O
VOUT
Output pin. (connected to the battery)
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