MAX8731AETI+ Maxim Integrated Products, MAX8731AETI+ Datasheet - Page 21
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MAX8731AETI+
Manufacturer Part Number
MAX8731AETI+
Description
IC SMBUS LVL2 BATT CHRGR 28TQFN
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX8731AETI.pdf
(32 pages)
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
Figure
Figure
SMBCLK
SMBDATA
SMBCLK
SMBDATA
A = START CONDITION
B = MSB OF ADDRESS CLOCKED INTO SLAVE
C = LSB OF ADDRESS CLOCKED INTO SLAVE
D = R/W BIT CLOCKED INTO SLAVE
E = SLAVE PULLS SMBDATA LINE LOW
4. SMBus Write Timing
5. SMBus Read Timing
A = START CONDITION
B = MSB OF ADDRESS CLOCKED INTO SLAVE
C = LSB OF ADDRESS CLOCKED INTO SLAVE
D = R/W BIT CLOCKED INTO SLAVE
t
SU:STA
t
SU:STA
A
A
t
HD:STA
t
HD:STA
______________________________________________________________________________________
t
LOW
t
LOW
B
B
t
HIGH
t
HIGH
SMBus Level 2 Battery Charger
t
t
SU:DAT
SU:DAT
C
C
F = ACKNOWLEDGE BIT CLOCKED INTO MASTER
G = MSB OF DATA CLOCKED INTO SLAVE
H = LSB OF DATA CLOCKED INTO SLAVE
I = SLAVE PULLS SMBDATA LINE LOW
t
HD:DAT
E = SLAVE PULLS SMBDATA LINE LOW
F = ACKNOWLEDGE BIT CLOCKED INTO MASTER
G = MSB OF DATA CLOCKED INTO MASTER
H = LSB OF DATA CLOCKED INTO MASTER
D
D
E
E
F
F
t
HD:DAT
t
with Remote Sense
HD:DAT
G
G
H
J = ACKNOWLEDGE CLOCKED INTO MASTER
K = ACKNOWLEDGE CLOCK PULSE
L = STOP CONDITION, DATA EXECUTED BY SLAVE
M = NEW START CONDITION
t
SU:DAT
I = ACKNOWLEDGE CLOCK PULSE
J = STOP CONDITION
K = NEW START CONDITION
H
I
J
I
K
t
SU:STO
t
SU:STO
J
t
L
BUF
t
BUF
K
M
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