SLUS530H – SEPTEMBER 2002 – REVISED JUNE 2007
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ELECTRICAL CHARACTERISTICS (Continued)
over 0°C
≤
T
J
≤
125°C and recommended supply voltage, (unless otherwise noted)
PARAMETER
BATTERY RECHARGE THRESHOLD
V
(RCH)
Recharge threshold
V
O(REG)
–0.135
V
O(REG)
–0.1
V
O(REG)
–0.075
V
TEST CONDITIONS
MIN
TYP
MAX
UNIT
STAT1, STAT2, AND PG OUTPUTS
V
OL
V
IL
V
IH
TIMERS
t
{PRECHG)
t
(TAPER)
t
(CHG)
Precharge time
Taper time
Charge time
1, 548
1, 548
15, 480
2,065
2,065
20,650
2,581
2,581
25,810
V
CC
≤
V
I(BAT)
+ 30 mV
V
CC
≥
V
I(BAT)
+ 22 mV
250
650
s
Output (low) saturation voltage
I
O
= 10 mA
I
IL
= 1
μA
I
IL
= 1
μA
0
2.0
0.5
V
CHARGE ENABLE (CE) AND TIMER AND TERMINATION ENABLE (TTE) INPUTS
Low-level input voltage
High-level input voltage
0.8
V
SLEEP COMPARATOR
V
SLP
Sleep mode entry threshold voltage
V
POR
≤
V
(IBAT)
≤
V
O(REG)
V
Sleep mode exit threshold voltage
V
POR
≤
V
(IBAT)
≤
V
O(REG)
VCC decreasing below threshold, 100 ns fall tme, 10 mV
overdrive
2 V
≤
V
(IBAT)
≤
V
(RCH)
2 V
≤
V
(IBAT)
≤
V
(RCH)
V
(IBAT)
< V
(RCH)
and/or t > t
(PRECHG)
Sleep mode deglitch time
BATTERY DETECTION THRESHOLDS
I
(DETECT)
I
(DETECT)
I
(FAULT)
V
POR (1)
Battery detection current
battery detection time
Fault current
ms
–3.1
100
660
–4.6
125
900
–6.1
150
1200
mA
ms
μA
POWER-ON RESET AND INPUT VOLTAGE RAMP RATE
Power-on reset threshold voltage
225
2.5
2.75
V
(1)
Specified by design. Not production tested.
4
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