OMO ElectronicOMO Electronic
Expand menu
Hello, Sign inMy Account
0 Cart

MP2623GR-Z

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16
MP2623 – 2A, 24V INPUT, 1.1MHz 1- OR 2-CELL SWITCHING LIFEPO
4
BATTERY CHARGER
MP2623 Rev. 1.0 www.MonolithicPower.com 7
12/26/2013 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2013 MPS. All Rights Reserved.
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
V
IN
=5V/ 9V, C1=4.7μF, C2=22μF, L=4.7μH, RS1=100mΩ, Real/Simulation Battery Load, T
A
=25°C,
unless otherwise noted.
TEMPERATURE (
o
C) TEMPERATURE (
o
C)
TEMPERATURE (
o
C)TEMPERATURE (
o
C)
1 Cell
BATT Float Voltage vs. V
IN
1 Cell
BATT Charge Full Voltage
vs. Temperature
2 Cells
BATT Charge Full Voltage
vs. Temperature
RDS_ON vs. Temperature
3.0
3.1
3.2
3.3
3.4
3.5
-40-20 020406080
Constant Current Charge
vs. Temperature
VREF33 vs. Temperature
V
IN
=19V
V
IN
=19V
V
IN
=19V
450
460
470
480
490
500
-40 -20 0 20 40 60 80
CHARGE CURRENT (mA)
VREF33 (V)
1 Cell I
CHG
=500mA
3.45
3.5
3.55
3.6
3.65
10 15 20 25 30
CHARGE FULL VOLTAGE(V)
3.45
3.5
3.55
3.6
3.65
-40-20 0 20406080
BATTERY VOLTAGE(V)
6.8
6.9
7
7.1
7.2
7.3
-40 -20 0 20 40 60
80
BATTERY VOLTAGE(V)
0.1
0.15
0.2
0.25
0.3
0.35
-40 -20 0 20 40 60 80
TEMPERATURE(
o
C)
INPUT VOLTAGE(V)
05
MP2623 – 2A, 24V INPUT, 1.1MHz 1- OR 2-CELL SWITCHING LIFEPO
4
BATTERY CHARGER
MP2623 Rev. 1.0 www.MonolithicPower.com 8
12/26/2013 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2013 MPS. All Rights Reserved.
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
V
IN
=5V/ 9V, C1=4.7μF, C2=22μF, L=4.7μH, RS1=100mΩ, Real/Simulation Battery Load, T
A
=25°C,
unless otherwise noted.
V
IN
2V/div.
V
BATT
1V/div.
V
SW
2V/div.
I
CHG
1A/div.
I
CHG
1A/div.
V
IN
2V/div.
V
BATT
2V/div.
V
SW
2V/div.
I
CHG
2A/div.
V
IN
2V/div.
V
BATT
1V/div.
V
SW
2V/div.
I
CHG
1A/div.
V
EN
5V/div.
V
BATT
2V/div.
V
SW
5V/div.
I
CHG
2A/div.
V
EN
5V/div.
V
BATT
2V/div.
V
SW
5V/div.
I
CHG
2A/div.
V
SW
2V/div.
I
CHG
1A/div.
V
IN
2V/div.
V
BATT
2V/div.
V
SW
2V/div.
I
CHG
1A/div.
400ns/div.
V
IN
2V/div.
V
BATT
2V/div.
V
SW
2V/div.
I
CHG
1A/div.
Steady State Waveform
1 Cell, V
BATT
=2V
Steady State Waveform
1 Cell, V
BATT
=3.2V
Steady State Waveform
1 Cell, V
BATT
=3.6V
Power On Waveform
1 Cell, I
CHG
=2A,V
BATT
=3V
Power Off Waveform
1 Cell, I
CHG
=2A,V
BATT
=3V
EN On Waveform
1 Cell, I
CHG
=2A,V
BATT
=3V
EN Off Waveform
1 Cell, I
CHG
=2A,V
BATT
=3V
V
NTC
5V/div.
V
BATT
2V/div.
V
BATT
1V/div.
V
SW
2V/div.
V
TMR
500mV/div.
200ms/div.
NTC Control,
1 Cell, I
CHG
=2A, V
BATT
=2.5V,
Battery Simulator
Timer Out
1 Cell,I
CHG
=2A, V
BATT
=3.5V,
C
TIMER
=47pF, Battery Simulator
400ns/div.
4ms/div. 100ms/div.
MP2623 – 2A, 24V INPUT, 1.1MHz 1- OR 2-CELL SWITCHING LIFEPO
4
BATTERY CHARGER
MP2623 Rev. 1.0 www.MonolithicPower.com 9
12/26/2013 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2013 MPS. All Rights Reserved.
FUNCTIONAL BLOCK DIAGRAM
Charge Control
Logic
Timer
PRE_REGS
1100kHz
OSC
VREF
LDO
Regulator
Drive
A1
Current Sense
CTRL
Charge
Current Sense
PWM
Comparator
Current Limit
Comparator
S
R
R
Q
BST
SW
CSP
A2
BATT
0.12V
or 1.2V
GMI
GMV
3 bit trim
5 bit trim
EN
VREF33
NTC
cells
FB
VBATT
CTRL
TMR
0.12V
ACOK CHGOK
FB
FB
GND
VCC
COMPI
COMPV
Max Trickle Time
Max Charge Time
Max Reflesh Time
ACOK
1.2V
1.11V
0.83V
VIN
BATT+300mV
TC/CC
Charge Comparator
Recharge Comparator
BF
Comparator
M1
COMP
x6
Charge
Current Sense
IREF
RS1
L
1- or 2- cell
LiFePO
4
Battery
CELLS
Mini Refresh
VIN
D2
Figure 1: Functional Block Diagram
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16

MP2623GR-Z

Mfr. #:
Buy MP2623GR-Z
Manufacturer:
Monolithic Power Systems (MPS)
Description:
Battery Management 2A 1-2Cell Switching LiFePO4 Bat Charger
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet