MAX8724ETI Maxim Integrated Products, MAX8724ETI Datasheet - Page 6

• Manufacturer Part Number: MAX8724ETI
• Description: Battery Management Multichemistry Battery Charger
• Manufacturer: Maxim Integrated Products

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

Low-Cost Multichemistry Battery Chargers
ELECTRICAL CHARACTERISTICS (continued)
(V
REF, V
per Figure 1a; T
6
ERROR AMPLIFIERS
GMV Amplifier Transconductance
GMI Amplifier Transconductance
GMS Amplifier Transconductance
CCI, CCS, CCV Clamp Voltage
LOGIC LEVELS
CELLS Input Low Voltage
CELLS Input Open Voltage
CELLS Input High Voltage
CELLS Input Bias Current
ACOK AND SHDN
ACOK Input Voltage Range
ACOK Sink Current
ACOK Leakage Current
SHDN Input Voltage Range
SHDN Input Bias Current
SHDN Threshold
SHDN Threshold Hysteresis
DCIN
_______________________________________________________________________________________
BST
= V
PARAMETER
CSSP
- V
LX
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
GMV
GMS
GMI
= V
CSIP
V
C E LLS = V
V
V
0.25V < V
CELLS = open
CELLS = 0V or V
V
V
V
V
V
= V
V C T L
ICTL
CLS
SHDN
SHDN
A COK
A COK
S HDN
CSIN
= V
= V
LDO
= V
= 0V OR V
= 0V OR V
falling
= 0.4V, V
= 28V, V
= 12V, V
REF
RE F IN
LD O
CCV,CCS,CCI
RE F IN
= 1µF, LDO = DLOV, C
, V
, V
, V
CSSP
CONDITIONS
BAT T
ACIN
RE F IN
ACIN
CSIP
REFIN
LDO
SHDN
- V
= 16.8V ,
= 0V
= 3V
- V
< 2V
CSSN
= 5V
= 3V, V
CSIN
= 75mV
= 75mV
VCTL
A
REF
= +25°C.)
= V
= 1µF; CCI, CCS, and CCV are compensated
ICTL
= 0.75 x V
(V
/2) -
0.2V
V
0.0625
- 0.4V
MIN
REFIN
150
REFIN
0.5
0.5
22
-2
-1
-1
0
1
0
REFIN
V
0.125
R E F IN
TYP
23.5
300
1
1
2
1
, CELLS = open, CLS =
/
( V
0.2500
MAX
/2) +
LDO
0.2V
600
R E F IN
2.0
2.0
0.4
+2
+1
+1
28
25
1
V
V
UNITS
µA/mV
µA/mV
µA/mV
% of
% of
REFIN
REFIN
mV
mA
µA
µA
µA
V
V
V
V
V