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TEA1102 View Datasheet(PDF) - Philips Electronics

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TEA1102 Datasheet PDF : 28 Pages
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Philips Semiconductors
Fast charge ICs for NiCd, NiMH, SLA and
LiIon
Preliminary specification
TEA1102; TEA1102T;
TEA1102TS
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX. UNIT
VRFSH(max)
VRFSH(off)
maximum refresh voltage
voltage at pin RFSH when
refresh is off
IRFSH = 1 mA
2.7
V
700
770
840
mV
Temperature related inputs; pins NTC and MTV
VNTCh
VNTCh(hy)
VNTCl
VNTCl(hy)
VNTC(co)
VNTC(bat)
INTC
VMTV
input voltage at pin NTC for pin MTV open-circuit
detecting high temperature MTV setting
hysteresis of VNTCh
input voltage at pin NTC,
detecting low temperature
hysteresis of VNTCl
input voltage at pin NTC for
detecting temperature cut-off
maximum input voltage at pin
NTC for detecting battery with
NTC
input current at pin NTC
VNTC = 2 V
voltage level at pin MTV
default (open-circuit)
VNTC/VNTC T/t detection level
VNTC = 2 V; Tj = 0 to 50 °C
0.9
1
0.95MTV MTV
80
2.7
2.8
1.1
V
1.05MTV V
mV
2.9
V
75
mV
0.7MTV 0.75MTV 0.8MTV V
3.22
3.3
3.38
V
5
+5
µA
0.95
1
1.05
V
0.5
2.5
V
0.25
%
Voltage regulation
Vreg
TCVreg
gm
regulation voltage
temperature coefficient of
regulation voltage
transconductance of
amplifier A3
LiIon; Iref = 20 µA
SLA; Iref = 20 µA
NiCd and NiMH;
pin Vstb open-circuit
NiCd and NiMH; Vstb = 1.5 V
open battery
Vreg = 1.37 V;
Tamb = 0 to 45 °C
Vbat = 1.9 V;
no battery mode
1.34
1.59
1.30
0.99Vstb
1.86
0
1.37
1.63
1.325
Vstb
1.9
±60
2.0
1.40
V
1.67
V
1.35
V
1.01Vstb
1.94
±120
V
V
ppm/K
mA/V
Program pin Vstb
Vstb
Vstb(im)
open voltage at pin Vstb
voltage at pin Vstb for
programming inhibit mode
Vstb(st)
voltage at pin Vstb for
programming voltage
regulation at standby
NiCd and NiMH
Vstb(tc)
voltage at pin Vstb for
NiCd and NiMH
programming trickle charge at
standby
1.30
1.325 1.35
V
0
0.8
V
1.0
2.2
V
2.6
VS
V
1999 Jan 27
14
 

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