MAX8814ETA+T Maxim Integrated Products, MAX8814ETA+T Datasheet - Page 4

• Manufacturer Part Number: MAX8814ETA+T
• Description: IC LI+ BATT CHARGER 28V 8-TDFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX8814ETA+T

• Function: Charge Management
• Battery Type: Lithium-Ion (Li-Ion)
• Voltage - Supply: 0 V ~ 28 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-TDFN Exposed Pad
• Product: Charge Management
• Operating Supply Voltage: 4.25 V to 6.8 V
• Supply Current: 0.23 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Charge Safety Timers: No
• Mounting Style: SMD/SMT
• Temperature Monitoring: No
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

1000
I
V
900
800
700
600
500
400
300
200
100
700
600
500
400
300
200
100
BATT
V
POK
28V Linear Li+ Battery Charger with
Smart Autoboot Assistant
V
4
(V
wise noted. Typical values are at T
EN
0
IN
0
-40
IN
0
_______________________________________________________________________________________
= 5V, V
CHARGE CURRENT vs. AMBIENT
(FAST-CHARGE TO SHUTDOWN)
4
-15
V
BATT
vs. INPUT VOLTAGE
CHARGE CURRENT
BATT
8
INPUT VOLTAGE (V)
TEMPERATURE (°C)
TEMPERATURE
= 3.2V
SHUTDOWN
10
100μs/div
12
= 4V, R
16
35
POK
20
R
ISET
V
BATT
60
MAX8814 toc07
= 1MΩ to BATT, EN = 0V, R
= 2.8kΩ
24
= 4V
A
28
85
= +25°C.)
500mA/div
0A
5V/div
0V
5V/div
5V/div
0V
0V
1000
V
-0.2
-0.4
-0.6
-0.8
-1.0
V
900
800
700
600
500
400
300
200
100
BATT
Typical Operating Characteristics (continued)
1.0
0.8
0.6
0.4
0.2
V
ABO
V
ABI
0
0
IN
-40
ACCURACY vs. AMBIENT TEMPERATURE
0
BATTERY REGULATION VOLTAGE
CHARGE CURRENT vs. INPUT
ISET
100
-15
VOLTAGE HEADROOM
AUTOBOOT ENABLED
= 2.8kΩ to GND, C
TEMPERATURE (°C)
BY ABI SIGNAL
V
200
IN
10
- V
4μs/div
BATT
300
(mV)
35
V
V
BATT
IN
I
BATT
400
RISING
60
MAX8814 toc11
= 4V
= 0A
BATT
500
85
= 2.2µF, T
5V/div
0V
5V/div
0V
5V/div
5V/div
0V
0V
1000
V
I
V
V
BATT
100
BATT
V
V
POK
ABO
V
10
V
EN
ABI
1
IN
IN
A
1
= -40°C to +85°C, unless other-
V
BATT
STARTUP INTO PRECHARGE
CHARGE CURRENT vs. R
= 2V
10
AUTOBOOT ENABLED
BY INPUT SUPPLY
R
40μs/div
ISET
4μs/div
100
(kΩ)
1000
ISET
MAX8814 toc06
MAX8814 toc12
10,000
100mA/div
0A
5V/div
0V
5V/div
0V
5V/div
0V
0V
0V
5V/div
5V/div
5V/div
0V
5V/div
0V