MAX8903JETI+ Maxim Integrated, MAX8903JETI+ Datasheet - Page 9

• Manufacturer Part Number: MAX8903JETI+
• Description: Battery Management 2A 1-Cell Li+ DC-DC USB/Adapter Charger
• Manufacturer: Maxim Integrated
• Series: MAX8903A, MAX8903B, MAX8903C, MAX8903D, MAX8903E, MAX8903G, MAX8903H, MAX8903J, MAX8903Yr

Specifications of MAX8903JETI+

• Rohs: yes
• Battery Type: Li-Ion
• Output Voltage: 5 V
• Output Current: 1 mA
• Operating Supply Voltage: 4.1 V to 16 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Charge Safety Timers: Yes
• Maximum Power Dissipation: 1666.7 mW
• Operating Supply Current: 2.3 mA
• Product Type: Charge Management
• Temperature Monitoring: Yes
• Uvlo Start Threshold: 3.2 V

(T
Maxim Integrated
A
= +25°C, unless otherwise noted.)
V
V
SYS
V
SYS
V
I
I
LX
LX
LX
LX
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
CHARGE PROFILE—1400mAh BATTERY
0
V
C
R
V
C
CEN = 1
20
DC
SYS
DC
SYS
SYS
USB INPUT—500mA CHARGE
MAX8903A/MAX8903B/MAX8903C
WAVEFORMS—HEAVY LOAD
= 9V, L = 2.2µH
= 9V, L = 2.2µH
WAVEFORMS—LIGHT LOAD
MAX8903G DC SWITCHING
= 22µF,
= 44I
MAX8903G DC SWITCHING
= 22µF, R
40 60 80 100
MAX8903A/B/C/G/H
I
USB
I
V
BAT
SYS
BAT
SET TO 500mA
TIME (min)
SET TO 2A
= 5I
1µs/div
1µs/div
120 140
I
BAT
160
MAX8903A toc19a
MAX8903A toc20a
MAX8903A toc18
180
200
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
50mV/div
AC-COUPLED
10V/div
0V
1A/div
0A
50mV/div
AC-COUPLED
10V/div
0V
1A/div
0A
Typical Operating Characteristics (continued)
2A 1-Cell Li+ DC-DC Chargers
for USB and Adapter Power
MAX8903A–E/G/H/J/N/Y
V
V
I
OUT
V
I
V
USB
SYS
BAT
I
I
LX
LX
DC
OUT
V
I
LX
LX
MAX8903A/B/C/D/E/H/J/N/Y DC SWITCHING
MAX8903A/B/C/D/E/H/J/N/Y DC SWITCHING
-335mA
475mA
3.6V
USB CONNECTED (R
WAVEFORMS—HEAVY LOAD
WAVEFORMS—LIGHT LOAD
DC CONNECT WITH
200ns/div
200µs/div
200ns/div
-I
BAT
SYS
= CHARGING
= 25Ω)
R
R
SYS
SYS
347mA
MAX8903A toc20
MAX8903A toc19
MAX8903A toc21
= 44Ω
= 5Ω
20mV/div
AC-COUPLED
5V/div
0V
500mA/div
0A
20mV/div
AC-COUPLED
5V/div
0V
2V/div
500mA/div
500mA/div
0A
500mA/div
500mA/div
0A
9