參數(shù)資料
型號: STM1404CRMDQ6F
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, ROHS COMPLIANT, QFN-16
文件頁數(shù): 34/35頁
文件大小: 366K
代理商: STM1404CRMDQ6F
Description
STM1404
Figure 2.
QFN16 connections
Note:
1.
Normal mode: low when VOUT is internally switched to VCC and high when VOUT is internally switched to
battery.
2.
SAL, RST, PFO, and BLD are open drain.
3.
VREF only for STM1404A; VTPU for STM1404B/C.
Figure 3.
Block diagram
1.
Required for battery-reverse charging protection
2.
User supplied
3.
Open drain
4.
VREF only for STM1404A; VTPU for STM1404B/C
1
PFO(2)
PFI
TP1
(NH)
BLD(2)
MR
RST(2)
VCC
VCCSW
(1)
VOUT
VREF or VTPU
(3)
VBAT
VSS
AI09683
2
3
4
8
7
6
5
SAL(2)
9
10
11
12
13
14
15
16
TP2
(NL)
TP3
(NH)
TP4
(NL)
AI09684a
COMPARE @
POWER-UP
VRST
VINT
VOUT
VREF
(4)
1.237V VREF
Generator
COMPARE
High Temp.
Sense
TA > TH
Low Temp.
Sense
TA < TL
trec
Generator
VPFI
VBAT
(1)
VDET
VHV
VLV
VSO
VCC
PFI
TP1 (NH)
TP2 (NL)
TP3 (NH)
TP4 (NL)
MR
RST
(3)
PFO
(3)
BLD
(3)
VCCSW
SAL
(3)
VTPU
(4)
BAT54J
(1,2)
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