Philips Semiconductors
Safety IC
Objective specification
SAA1504T
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
Status output on pin ST
IO
output current
pin ST = HIGH; see Table 1;
VST = VVM + 0.5 V
VCC − VVM = 20 V
VCC − VVM = 4 V
13 17 21 µA
9
12 15 µA
Notes
1. The voltages are measured at the terminals of the battery. This voltage equals the voltage across series resistor
R1 = 1 kΩ plus the voltage on pin VCC (see Fig.3).
2. For both charge and discharge state.
handbook, 1h0alfpage
td
(s)
1
10−1
charge
MGS972
discharge
10−2
10−3
10−4
−1
− 0.5
0
0.5
1
VVM (V)
Fig.5 Current-protection delay.
2000 Mar 07
9