MC33349N 데이터 시트보기 (PDF) - ON Semiconductor
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MC33349N Datasheet PDF : 12 Pages
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Vcell
5
Ct
4
MC33349
VD1
VD2
VD3
Level
Shift
Delay
10 kOhm
Short Circuit
Detector
6
Gnd
Rshort
1
Do
Figure 2. Detailed Block Diagram
3
Co
2
P–
PIN FUNCTION DESCRIPTION
Pin
Symbol
1
DO
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ 2
P–
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ 3
CO
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ 4
Ct
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ 5
Vcell
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ 6
Gnd
Description
This output connects to the gate of the discharge MOSFET allowing it to enable or disable battery pack
discharging.
This pin monitors cell discharge current.
The excess current detector sets when the combined voltage drop of the charge MOSFET and the discharge
MOSFET exceeds the discharge current limit threshold voltage, V(DET3). The short circuit detector activates when
V(P–) is pulled within 0.8V of the cell voltage by a short circuit.
This output connects to the gate of the charge MOSFET allowing it to enable or disable battery pack charging.
This pin connects to the external capacitor for setting the output delay of the overvoltage detector (VD1).
This input connects to the positive terminal of the cell for voltage monitoring and provides operating bias for the
integrated circuit.
This is the ground pin of the IC.
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