MB39C831 Datasheet, PDF (4/40 Pages) Cypress Semiconductor – Ultra Low Voltage Boost Power Management IC for Solar/Thermal Energy Harvesting Datasheet

MB39C831
2. Pin Descriptions
Table 2-1 Pin Descriptions
Pin No.
Pin Name I/O
Description
1
S2
I
Input pin for preset output voltage setting and MPPT setting
2
S1
I
Input pin for preset output voltage setting and MPPT setting
3
S0
I
Input pin for preset output voltage setting and MPPT setting
4
ENA
I
DC/DC converter control input pin
5
MPPT_ENA I
MPPT control input pin
6
SGND1
-
Analog ground pin
7
SGND3
-
Analog ground pin
8, 9, 10, 11
N.C.
-
Non connection pins (Leave these pins open.)
12
CSH0
O
Capacitor connection pin for MPPT, used only at the charge mode
13
CSH1
I
Capacitor connection pin for MPPT, used only at the charge mode
14
CSH2
I
Capacitor connection pin for MPPT, used only at the charge mode
15
MPPT_OUT O
MPPT output pin, used only at the charge mode
16
MPPT_IN
I
MPPT input pin, used only at the charge mode
17
VOUT
O
Output pin of DC/DC converter
18
LX
I
Inductor connection pin
19
PGND2
-
Power ground pin
20
VOUT_S
I
Input pin for DC/DC converter FB
21
FB
I
Feedback input pin of DC/DC converter
22
SGND2
-
DC/DC control system ground pin
23
N.C.
-
Non connection pin (Leave this pin open.)
24
VCC
O
Control system power supply output pin
25
DET1
O
Output pin for state notification
26
DET0
O
Output pin for state notification
27
VDD
I
External power supply input pin
28
PGND1
-
Power ground pin
29
VST
O
Start-up power supply output pin
30, 31, 32, 33, 34, 35,
36, 37, 38, 39, 40
N.C.
-
Non connection pins (Leave these pins open.)
Document Number: 002-08404 Rev *A
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