Rainbow Electronics MAX8730 - Manual (Page 9)

MAX8730
Low-Cost Battery Charger
_______________________________________________________________________________________ 9
Note 1: Accuracy does not include errors due to external-resistance tolerances.
Note 2: In this mode, SRC current is drawn from the battery.
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
BATTERY DETECTION
RELTH Operating Voltage Range 0.9 2.6 V
V RELTH = 0.9V 4.42 4.58 BATT Minimum Voltage Trip
Threshold
V BATT falling
V RELTH = 2.6V 12.77 13.23
V
PDS, PDL SWITCH CONTROL
Adapter-Absence-Detect
Threshold
V ASNS - V BATT , V ASNS falling -310 -240 mV
Adapter-Detect Threshold V ASNS - V BATT -140 -60 mV
PDS Output Low Voltage Result with respect to SRC, I PDS = 0 -7 -12 V
PDS/PDL Output High Voltage Result with respect to SRC, I PD_ = 0 -0.5 V
PDS/ PDL Turn-Off Current V PDS = V SRC - 2V, V SRC = 16V 6 mA
PDS Turn-On Current PDS = SRC 6 mA
PDL Turn-On Resistance PDL = GND 50 100 200 k Ω
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1. V SRC = V ASNS = V CSSP = V CSSN = 18V, V BATT = V CSIP = V CSIN = 12V, V VCTL = V ICTL = 1.8V, MODE = float,
ACIN = 0, CLS = REF, REFON = LDO, INPON = LDO, RELTH = 2V. T A = -40°C to +85°C, unless otherwise noted.)