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SPV1050 Datasheet(PDF) 7 Page - STMicroelectronics

Part # SPV1050
Description  Ultralow power energy harvester and battery charger
PDF  36 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

SPV1050 Datasheet(HTML) 7 Page - STMicroelectronics

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SPV1050
Pin description
36
3
Pin description
Table 1. Pin description
Pin no.
Name
Type
Description
1MPP
I
Max. power point tracking voltage sense pin.
To be connected to the voltage source through a ladder resistor.
2
MPP-SET
I
Max. power point setting voltage pin.
To be connected to the MPP pin through a ladder resistor. Connect to STORE if
MPP function is not required.
3
MPP-REF
I
Max. power point reference voltage pin.
To be connected to a 10 nF capacitor.
Connect to an external voltage reference if MPP function is not required.
4
GND
GND Signal ground pin.
5
LDO1_EN
I
If high, enables LDO1.
6
LDO2_EN
I
If high, enables LDO2.
7
BATT_CHG
O
Ongoing battery charge output flag pin (open drain).
If low, it indicates that the battery is on charge.
If high, it indicates that the battery is not on charge.
8BATT_CONN
O
Battery status output flag pin (open drain).
If high, it indicates that the pass transistor between the STORE and BATT pins is
open (battery disconnected).
If low, it indicates that the pass transistor between the STORE and BATT pins is
closed (battery connected).
9EOC
I
Battery end-of-charge pin.
To be connected to the STORE pin through a resistor divider between EOC and
GND.
10
UVP
I
Battery undervoltage protection pin.
To be connected to the STORE pin through a resistor.
11
LDO1
O
1.8 V regulated output voltage pin.
12
LDO2
O
3.3 V regulated output voltage pin.
13
CONF
I
Configuration pin.
Boost configuration: to be connected to the voltage supply source.
Buck-boost configuration: to be connected to ground.
14
BATT
I/O
Battery connection pin.
15
STORE
I/O
Tank capacitor connection pin.
16
IN_LV
I
Low voltage input source.
It has to be connected to the inductor for both boost and buck-boost configuration.
17
NC
-
Not connected.
18
PGND
PGND Power ground pin.



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