MAX8731AETI+ Maxim Integrated Products, MAX8731AETI+ Datasheet - Page 5

IC SMBUS LVL2 BATT CHRGR 28TQFN

MAX8731AETI+

Manufacturer Part Number
MAX8731AETI+
Description
IC SMBUS LVL2 BATT CHRGR 28TQFN
Manufacturer
Maxim Integrated Products
Datasheet

Specifications of MAX8731AETI+

Function
Charge Management
Battery Type
Multi-Chemistry
Voltage - Supply
8 V ~ 26 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
28-WFQFN Exposed Pad
Product
Charge Management
Output Voltage
5.4 V
Operating Supply Voltage
8 V to 26 V
Supply Current
2 uA
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Charge Safety Timers
Yes
Mounting Style
SMD/SMT
Temperature Monitoring
No
Uvlo Start Threshold
2.5 V
Uvlo Stop Threshold
100 mV
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
ELECTRICAL CHARACTERISTICS (continued)
(V
C
Figure 1; T
ERROR AMPLIFIERS
GMV Amplifier Transconductance C har g i ng V ol tag e( ) = 16.8V , V
GMI Amplifier Transconductance
GMS Amplifier Transconductance InputCurrent() = 3968mA, V
CCI/CCS/CCV Clamp Voltage
LOGIC LEVELS
SDA/SCL Input-Low_Voltage
SDA/SCL Input-High_Voltage
SDA/SCL Input Bias Current
BATSEL Input-Low_Voltage
BATSEL Input-High_Voltage
BATSEL Input Bias Current
SDA, Output Sink Current
SMBus TIMING SPECIFICATIONS (V
SMBus Frequency
Bus Free Time
Start Condition Hold Time from
SCL
Start Condition Setup Time from
SCL
Stop Condition Setup Time from
SCL
SDA Hold Time from SCL
SDA Setup Time from SCL
SCL Low Timeout
SCL Low Period
SCL High Period
Maximum Charging Period
Without a ChargeVoltage() or
ChargeCurrent() Command
LDO
DCIN
= 1µF, V
= V
PARAMETERS
A
PARAMETER
LX
= 0°C to +85°C, unless otherwise noted. Typical values are at T
= V
CC
CSSP
= LDO, C
_______________________________________________________________________________________
= V
CSSN
REF
= 19V, V
= 1µF, C
SMBus Level 2 Battery Charger
ChargingCurrent() = 3968mA, V
0.25V < V
V
V
V
V
SYMBOL
t
DD
DD
DD
(SDA)
t
TIMEOUT
t
t
t
t
DD
HD:DAT
HD:STA
SU:STA
SU:STO
SU:DAT
T
T
f
t
HIGH
SMB
BUF
LOW
= 2.7V to 5.5V
= 2.7V to 5.5V
= 2.7V to 5.5V
BST
DAC
= 2.7V to 5.5V) (see Figures 4 and 5)
= 0.4V
- V
CCI/S/V
= 0.1µF, V
LX
(Note 1)
= 4.5V, V
< 2.0V
DD
CONDITIONS
FBSA
= 3.3V, ACIN = 2.5V; pins CCI, CCV, and CCS are compensated per
FBS_
CSSP
CONDITIONS
= V
CSIP
= 16.8V
- V
FBSB
with Remote Sense
CSSN
- V
= V
CSIN
A
= +25°C.)
= 79.36mV
CSIP
= 39.68mV
= V
CSIN
= 16.8V, BATSEL = GND = PGND = 0,
0.0625
MIN
MIN
120
300
250
140
0.5
0.5
2.1
2.1
4.7
4.7
4.7
10
25
-1
-1
6
4
4
4
0.125
TYP
TYP
250
175
1.0
1.0
0.2500
MAX
MAX
600
100
210
2.0
2.0
0.8
0.8
+1
+1
35
UNITS
UNITS
mA/V
mA/V
mA/V
kHz
mV
mA
ms
µA
µA
µs
µs
µs
µs
ns
ns
µs
µs
V
V
V
V
s
5

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