MAX8725ETI+ Maxim Integrated Products, MAX8725ETI+ Datasheet - Page 7

• 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

ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V
REF, GND = PGND = 0, PKPRES = GND, LDO = DLOV, T
Multichemistry Battery Chargers with Automatic
Charge-Current Accuracy
V ICTL Default Threshold
BATT/CSIP/CSIN Input Voltage
Range
CSIP/CSIN Input Current
ICTL Power-Down Mode
Threshold Voltage
ICTL Power-Up Mode Threshold
Voltage
INPUT CURRENT REGULATION
CSSP-to-CSSN Full-Scale
Current-Sense Voltage
Input Current-Limit Accuracy
CSSP/CSSN Input Voltage Range
CSSP/CSSN Input Current
CLS Input Range
IINP Transconductance
IINP Accuracy
IINP Output Current
IINP Output Voltage
SUPPLY AND LINEAR REGULATOR
DCIN Input Voltage Range
D C IN U nd er vol tag e- Lockout Tr i p
P oi nt
DCIN Quiescent Current
BATT Input Current
LDO Output Voltage
LDO Load Regulation
PARAMETER
DCIN
_______________________________________________________________________________________
= V
CSSP
= V
CSSN
SYMBOL
V
I
I
DCIN
BATT
DCIN
= 18V, V
MAX1909: V
V
tolerances of 1%)
V
V
Charging enabled
MAX1909
MAX8725
MAX1909
MAX8725
V
V
V
V
V
V
10kΩ
V
10kΩ
V
10kΩ
V
V
DCIN falling
DCIN rising
8.0V < V
V
8.0V < V
0 < I
ICTL
ICTL
ICTL
CLS
CLS
CLS
CSSP
CSSP
CSSP
CSSP
CSSP
CSSP
CSSP
BATT
BATT
LDO
= REF
= REF x 0.75
= REF x 0.5
A
= 3.2V x 0.5 (including ICTL resistor
= V
rising
= V
= 2V to 19V, V
= V
- V
- V
- V
- V
- V
- V
= -40°C to +85°C, unless otherwise noted.)
DCIN
DCIN
< 10mA
LDO
CSSN
CSSN
CSSN
CSSN
CSSN
CSSN
CSIP
CSSN
ICTL
< 28V
< 28V, no load
(default threshold of 45mV)
= V
CONDITIONS
= 56mV
= 75mV, terminated with
= 56mV, terminated with
= 20mV, terminated with
= 150mV, V
= 150mV, V
= V
= 3.6V x 0.5, MAX8725:
CSIN
System Power Selector
DCIN
DCIN
= 12V, V
> 8.0V
> V
IINP
IINP
BATT
= 0V
= float
VCTL
+ 0.3V
= V
ICTL
= 1.8V, MODE = float, ACIN = 0, CLS =
72.75
MIN
0.85
0.11
5.25
-7.0
-7.5
350
-10
4.3
8.0
1.6
2.7
3.5
8.0
-5
-3
-3
-4
-5
0
7
TYP
77.25
MAX
+7.0
+7.5
0.75
0.06
7.85
5.55
REF
+10
650
730
500
115
3.3
+5
+3
+3
+4
+5
19
28
28
6
UNITS
mA/V
mV
mA
mV
µA
µA
µA
µA
%
%
%
V
V
V
V
V
V
V
V
V
V
7