Texas Instruments SM72445EVM Evaluation Module SM72445EVM/NOPB SM72445EVM/NOPB 데이터 시트
제품 코드
SM72445EVM/NOPB
DC/DC converter
Panel Mode
Bi-directional switch
SM72445
SM72295
Curr.
Sense amp.
Comparator
Temp. sensor
PV
Panel
L
O
A
D
PWM signal
Gate Drive
Current
sense
Input
Current
sense
Input voltage
sense
Output voltage
sense
Protection trigger
Out current sense
Protection
trigger
trigger
SM72445 Evaluation Module Design Specification
Figure 1. Evaluation Board Simplified Diagram
3
SM72445 Evaluation Module Design Specification
Symbol
Parameter
Min
Typ
Max
V
MPP
PV Module MPP Voltage
15 Vdc
40Vdc
P
MPP
PV Module Power
10 W
350 W
V
OC
PV Module Open Circuit Voltage
50 Vdc
I
SC
PV Module Short-Circuit Current
11A
V
OUT
Output Voltage
0 Vdc
43 Vdc
I
OUT
Output Current
12.5A
OVP
Overvoltage Protection Threshold
45V
OTP
Overtemperature Protection Threshold
125
o
C
MPP
EFF
MPP Efficiency
98.5%
PM
EFF
Panel-Mode Efficiency
99.5%
Configuration Modes
The SM72445 is configured through I2C communication or through resistor settings on pin A0, A2, A4 and
A6. The default configuration setting on the board is:
A6. The default configuration setting on the board is:
Pin name
Pin Voltage
Description
A0
3.0V
“Soft” output voltage limit of 40V (AVOUT=3V)
A2
0V
220kHz operation, uses dedicated FET switch for higher efficiency
A4
5.0V
Internal current protection not used
A6
1.56V
Long slew rate limit, 60s in a 1:1 conversion ratio at start-up before enabling
optimization
optimization
2
AN-2241 SM72445 Evaluation Board
SNVA649A – May 2012 – Revised May 2013
Copyright © 2012–2013, Texas Instruments Incorporated