MAX8725ETI+ Maxim Integrated Products, MAX8725ETI+ Datasheet - Page 6

• Manufacturer Part Number: MAX8725ETI+
• Description: IC CHARGER BATTERY 28-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX8725ETI+

• Function: Charge Management
• Battery Type: Multi-Chemistry
• Voltage - Supply: 8 V ~ 28 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-WFQFN Exposed Pad
• Product: Charge Management
• Operating Supply Voltage: 8 V to 28 V
• Supply Current: 2.7 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Charge Safety Timers: No
• Mounting Style: SMD/SMT
• Temperature Monitoring: No
• Uvlo Start Threshold: 9.18 V
• Uvlo Stop Threshold: 9.42 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Multichemistry Battery Chargers with Automatic
System Power Selector
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V
REF, GND = PGND = 0, PKPRES = GND, LDO = DLOV, T
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V
REF, GND = PGND = 0, PKPRES = GND, LDO = DLOV, T
6
CHARGE VOLTAGE REGULATION
VCTL Range
Battery Regulation Voltage
Accuracy
V VCTL Default Threshold
VCTL Input Bias Current
CHARGE-CURRENT REGULATION
ICTL Range
CSIP-to-CSIN Full-Scale Current-
Sense Voltage
Charge-Current Accuracy
PDL Turn-On Resistance
PDL Turn-Off Current
SRC Input Bias Current
Delay Time Between PDL and
PDS Transitions
_______________________________________________________________________________________
PARAMETER
PARAMETER
DCIN
DCIN
= V
= V
CSSP
CSSP
= V
= V
SYMBOL
CSSN
SYMBOL
CSSN
= 18V, V
= 18V, V
V
VCTL resistor tolerances
V
VCTL resistor tolerances
V
resistor tolerances of 1%
V
threshold of 4.2V/cell)
V
V
V
MAX1909
MAX8725
MAX1909: V
resistor tolerances)
MAX8725: V
resistor tolerances)
MAX1909: V
V
resistor tolerances)
MAX1909: V
resistor tolerances)
MAX8725: V
ICTL resistor tolerances)
PDL = GND
V
SRC = 19V, DCIN = 0V
SRC = 19, V
VCTL
VCTL
VCTL
VCTL
VCTL
VCTL
DCIN
ICTL
SRC
BATT
BATT
- V
= 3.2V x 0.5 (not including ICTL
A
A
= 3.6V (3 or 4 cells); not including
= 3.6V/20 (3 or 4 cells); not including
= 3.6V (3 or 4 cells); including VCTL
= V
rising
= 3V
= 0V, V
= V
= V
= 0°C to +85°C, unless otherwise noted. Typical values are at T
= -40°C to +85°C, unless otherwise noted.)
PDL
LDO
CSIP
CSIP
ICTL
ICTL
ICTL
ICTL
ICTL
BATT
= 1.5V
VCTL
(3 or 4 cells, default
CONDITIONS
= V
CONDITIONS
= V
= 3.6V (not including ICTL
= 3.2V (not including ICTL
= 3.6V x 0.5, MAX8725:
= 0.9V (not including ICTL
= 0.18V (not including
= 16V
CSIN
CSIN
= 5V
= 12V, V
= 12V, V
VCTL
VCTL
= V
= V
ICTL
ICTL
= 1.8V, MODE = float, ACIN = 0, CLS =
= 1.8V, MODE = float, ACIN = 0, CLS =
69.37
MIN
MIN
-0.8
-0.8
-1.0
-0.8
-7.5
-7.5
-30
4.1
2.5
50
-5
-5
0
0
0
0
0
6
TYP
TYP
100
450
12
5
80.63
MAX
MAX
1000
+0.8
+0.8
+1.0
+0.8
+7.5
+7.5
+30
150
3.6
4.3
2.5
3.6
3.2
7.5
+5
+5
12
1
A
= +25°C.)
UNITS
UNITS
mV
mA
kΩ
µA
µA
µs
%
%
V
V
V