MAX8724ETI Maxim Integrated Products, MAX8724ETI Datasheet - Page 3
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MAX8724ETI
Manufacturer Part Number
MAX8724ETI
Description
Battery Management Multichemistry Battery Charger
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX1908ETI.pdf
(30 pages)
Specifications of MAX8724ETI
Product
Charge Management
Battery Type
Li-Ion, Li-Polymer, NiCd, NiMH, Lead Acid, Universal
Operating Supply Voltage
2.5 V to 3.6 V
Supply Current
400 uA
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Package / Case
TQFN-28
Charge Safety Timers
Yes
Mounting Style
SMD/SMT
Temperature Monitoring
No
Uvlo Start Threshold
7 V
Uvlo Stop Threshold
7.85 V
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MAX8724ETI
Manufacturer:
FAIRCHILD
Quantity:
337
Company:
Part Number:
MAX8724ETI+T
Manufacturer:
MAXIM
Quantity:
2 380
Company:
Part Number:
MAX8724ETI+T
Manufacturer:
MAXIM
Quantity:
3 487
Part Number:
MAX8724ETI+T
Manufacturer:
MAXIM/美信
Quantity:
20 000
ELECTRICAL CHARACTERISTICS (continued)
(V
REF, V
per Figure 1a; T
CSIP/CSIN Input Current
Cycle-by-Cycle Maximum Current
Limit
ICTL Power-Down Mode
Threshold Voltage
(MAX1908/MAX8724 Only)
ICTL, VCTL Input Bias Current
REFIN Input Bias Current
ICHG Transconductance
(MAX1908/MAX8724 Only)
ICHG Transconductance
(MAX8765/MAX8765A Only)
ICHG Transconductance Error
(MAX8765/MAX8765A Only)
ICHG Transconductance Offset
(MAX8765/MAX8765A Only)
ICHG Accuracy
ICHG Output Current
ICHG Output Voltage
INPUT-CURRENT REGULATION
CSSP-to-CSSN Full-Scale
Current-Sense Voltage
Input Current-Limit Accuracy
Input Current-Limit Gain Error
(MAX8765/MAX8765A Only)
Input Current-Limit Offset
(MAX8765/MAX8765A Only)
CSSP, CSSN Input Voltage
Range
CSSP, CSSN Input Current
(MAX1908/MAX8724 Only)
CSSP Input Current
(MAX8765/MAX8765A Only)
DCIN
BST
= V
PARAMETER
CSSP
- V
LX
Low-Cost Multichemistry Battery Chargers
A
= V
= 4.5V, ACIN = GND = PGND = 0, C
= 0°C to +85°C, unless otherwise noted. Typical values are at T
CSSN
_______________________________________________________________________________________
= 18V, V
BATT
SYMBOL
G
G
ICHG
ICHG
= V
CSIP
V
Charging
RS2 = 0.015mΩ
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
= V
DCIN
VCTL
VCTL
DCIN
DCIN
REFIN
CSIP
CSIP
CSIP
CSIP
CSIP
CSIP
CSIP
CLS
CLS
CLS
DCIN
CSSP
CSSP
CSIN
= V
= V
= 1.1V (MAX8765/MAX8765A only)
LDO
- V
- V
- V
- V
- V
- V
- V
= 0V or V
rising
= V
= 0V, V
= 5V, V
= 0V
= V
= V
= 5V
CSIN
CSIN
CSIN
CSIN
CSIN
CSIN
CSIN
= 12V, V
REF
REF
ICTL
CSSN
CSSN
= 1µF, LDO = DLOV, C
/2
VCTL
REFIN
= 45mV
= 45mV
= 75mV
= 45mV
= 5mV
= 150mV, V
= 150mV, ICHG = open
= 0 or 3V
CONDITIONS
ICTL
= V
= 28V
REFIN
= V
DCIN
= 3V
= 0V or V
ICTL
= 3V, V
> 8V
ICHG
= V
V
V
SHDN
REFIN
= 0V
DCIN
DCIN
VCTL
A
REF
= +25°C.)
= 0V
= 0V
= 28V
= V
= 5V
= 1µF; CCI, CCS, and CCV are compensated
ICTL
= 0.75 x V
REFIN/
MIN
2.85
-7.5
100
350
-40
-10
6.0
2.7
3.5
72
-1
-1
-1
-1
-5
-5
-6
-5
-4
-2
-2
8
REFIN
REFIN/
TYP
400
350
400
0.1
0.1
6.8
75
55
3
3
, CELLS = open, CLS =
REFIN/
MAX
+7.5
+10
650
3.15
600
650
+40
+4
+2
+2
7.5
3.3
78
28
+1
+1
+1
+1
+5
+5
+6
+5
33
1
1
1
UNITS
µA/mV
µA/mV
mV
mV
µA
µA
µA
µA
µA
µA
µA
%
%
%
%
A
V
V
V
3