Preliminary
RT9541
Table 1
Over
Over
Excess
Over
Over
Excess
Part Number
Part Number
Charge Discharge Current
Charge Discharge Current
RT9541ACE (R)
RT9541BCE (R)
RT9541CCE (R)
RT9541DCE (R)
RT9541ECE (R)
RT9541FCE (R)
RT9541GCE (R)
RT9541HCE (R)
RT9541ICE (R)
RT9541JCE (R)
4.25V
4.25V
4.25V
4.25V
4.25V
4.25V
4.30V
4.30V
4.30V
4.30V
2.3V
2.4V
2.5V
2.6V
2.7V
2.8V
2.3V
2.4V
2.5V
2.6V
170mV
170mV
170mV
170mV
170mV
170mV
170mV
170mV
170mV
170mV
RT9541KCE (R)
RT9541LCE (R)
RT9541MCE (R)
RT9541NCE (R)
RT9541OCE (R)
RT9541PCE (R)
RT9541QCE (R)
RT9541RCE (R)
RT9541SCE (R)
RT9541TCE (R)
4.30V
4.30V
4.35V
4.35V
4.35V
4.35V
4.35V
4.35V
4.35V
4.25V
2.7V
2.8V
2.3V
2.4V
2.5V
2.6V
2.7V
2.8V
2.9V
2.9V
170mV
170mV
170mV
170mV
170mV
170mV
170mV
170mV
170mV
170mV
Function Block Diagram
VDD
CT
_
Level Shift
VD1
_
VD4
Short
Circuit
_
Delay
Detector
VD2
_
VD3
VSS
DOUT COUT
V-
Pin Description
Pin Number
RT9541-ꢀCE RT9541-ꢀCER
Pin Name
Pin Function
1
2
3
4
5
6
3
4
6
1
5
2
COUT
CT
Output of Over-charge Detection, CMOS Output
Pin for External Capacitor Setting Output Delay of VD1
Ground
VSS
DOUT
VDD
V-
Output of Over-discharge Detection, CMOS Output
Power Supply, through a Resistor (R1)
Pin for Charger Negative Input, through a Resistor (R2)
DS9541-05 August 2001
www.richtek-ic.com.tw
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