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TPS65022 Datasheet(PDF) 29 Page - Texas Instruments

Part # TPS65022
Description  Power Management IC for Li-Ion Powered Systems
Download  47 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS65022 Datasheet(HTML) 29 Page - Texas Instruments

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TPS65022
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SLVS667B – JULY 2006 – REVISED JANUARY 2016
7.6.6 CON_CTRL2 Register Address: 05h (read/write) Default Value: 40h
Table 10. CON_CTRL2 Register
CON_CTRL2
B7
B6
B5
B4
B3
B2
B1
B0
Bit name and
Core adj
DCDC2
DCDC1
DCDC3
GO
function
allowed
discharge
discharge
discharge
Default
0
1
0
0
0
0
0
0
Default value
UVLO +
RESET(1)
UVLO
UVLO
UVLO
loaded by:
DONE
Read/Write
R/W
R/W
R/W
R/W
R/W
The CON_CTRL2 register can be used to take control the inductive converters.
RESET(1): CON_CTRL2[6] is reset to its default value by one of these events:
undervoltage lockout (UVLO)
DCDC1_EN and DCDC3_EN pulled low
HOT_RESET pulled low
RESPWRON active
VRTC below threshold
Bit 7
GO:
0 =
no change in the output voltage for the DCDC3 converter
1 =
the output voltage of the DCDC3 converter is changed to the value defined in DEFCORE with
the slew rate defined in DEFSLEW. This bit is automatically cleared when the DVM transition is
complete. The transition is considered complete in this case when the desired output voltage
code has been reached, not when the VDCDC3 output voltage is actually in regulation at the
desired voltage.
Bit 6
CORE ADJ Allowed:
0 =
the output voltage is set with the I2C register
1 =
DEFDCDC3 is either connected to GND or VCC or an external voltage divider. When
connected to GND or VCC, VDCDC3 defaults to 1.3 V or 1.55 V respectively at start-up.
the output capacitor of the associated converter is not actively discharged when the converter is
Bit 2– 0
0 =
disabled
1 =
the output capacitor of the associated converter is actively discharged when the converter is
disabled. This decreases the fall time of the output voltage at light load.
7.6.7 DEFCORE Register Address: 06h (read/write) Default Value: 14h/1Eh
Table 11. DEFCORE Register
DEFCORE
B7
B6
B5
B4
B3
B2
B1
B0
Bit name and function
CORE4
CORE3
CORE2
CORE1
CORE0
Default
0
0
0
1
DEFDCDC3
1
DEFDCDC3
0
Default value loaded by:
RESET(2)
RESET(1)
RESET(1)
RESET(1)
RESET(2)
Read/Write
R/W
R/W
R/W
R/W
R/W
RESET(1): DEFCORE[3:1] are reset to the default
RESET(2): DEFCORE[4] and DEFCORE[0] are reset
value by one of these events:
to the default value by one of these events:
undervoltage lockout (UVLO)
undervoltage lockout (UVLO)
DCDC1_EN and DCDC3_EN pulled low
DCDC1_EN pulled low
HOT_RESET pulled low
HOT_RESET pulled low
RESPWRON active
RESPWRON active
VRTC below threshold
VRTC below threshold
Copyright © 2006–2016, Texas Instruments Incorporated
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