參數(shù)資料
型號: 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
文件頁數(shù): 14/38頁
文件大小: 1454K
代理商: L6924D013TR
L6924D
Applications information: charging process
Doc ID 11908 Rev 9
21/38
Figure 16.
TPRG pin connection
Where,
VREF = 1.8V,
KT = 279 x 10
5,
VBG = 1.23V, and
TMAXCH is the charging time given in seconds.
If the battery does not reach the end-of-charge condition before the timer expires, a fault is
issued.
Also during the pre-charge phase there is a safety timer, given by:
Equation 12
If this timer expires and the battery voltage is still lower than VPRETH, a fault signal is
generated, and the charge process is terminated.
TPRG
L6924D
CTPRG
MAXCH
MAXPRECH
T
×
=
8
1
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