參數(shù)資料
型號: MAX1667EAP
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 穩(wěn)壓器
英文描述: Chemistry-Independent, Level 2 Smart Battery Charger
中文描述: 4 A BATTERY CHARGE CONTROLLER, 310 kHz SWITCHING FREQ-MAX, PDSO20
封裝: 5.30 MM, 0.65 MM PITCH, SSOP-20
文件頁數(shù): 13/28頁
文件大?。?/td> 225K
代理商: MAX1667EAP
M
Chemistry-Independent,
Level 2 Smart Battery Charger
______________________________________________________________________________________
13
Figure 6. Functional Diagram
10k
10k
10k
10k
7mA
DCIN
IOUT
REF
REF
THM
AGND
CS
BATT
FROM LOGIC
BLOCK
THERMISTOR_OR
LOGIC
BLOCK
THERMAL
SHUTDOWN
THERMISTOR_COLD
THERMISTOR_HOT
THERM_SHUT
AC_PRESENT
CCV
CCV_LOW
R
3R
REF
DHI
NOTE:
REF/4 TO 3/4 REF
NOTE: APPROX. REF/4 + V
THRESH
TO 3/4 REF + V
THRESH
3/8 REF = ZERO CURRENT
LX
PGND
FROM LOGIC
BLOCK
AGND
CCV
CCI
GMI
GMV
VL
BST
DLO
AGND
VL
AGND
MIN
R
4R
BATT
R
3R
TO LOGIC BLOCK
FROM LOGIC BLOCK
FROM LOGIC BLOCK
VOLTAGE_INREG
CURRENT_INREG
TO LOGIC BLOCK
TO LOGIC BLOCK
POWER_FAIL
5-BIT DAC
REF
AGND
AGND
AGND
REF
DACV
DCIN/4.5
SEL
SCL
SDA
INT
THERMISTOR_UR
100k
30k
3k
500
5.4V LINEAR
REGULATOR
CURRENT-SENSE
LEVEL SHIFT AND
GAIN OF 5.5
CLAMP
11-BIT DAC
LEVEL
SHIFT
DRIVER
SUMMING
COMPARATOR
BLOCK
CLAMP
TO REF
(MAX)
INTERNAL
4.096V
REFERENCE
DCIN
DRIVER
5
11
MAX1667
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