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DA6021 Datasheet(PDF) 111 Page - Renesas Technology Corp

Part # DA6021
Description  HIGHLY INTEGRATED POWER MANAGEMENT IC FOR INTEL® ATOM™ Z3000 PROCESSOR
PDF  225 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

DA6021 Datasheet(HTML) 111 Page - Renesas Technology Corp

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DA6021
HIGHLY INTEGRATED POWER MANAGEMENT IC FOR
INTEL® ATOM™ Z3000 PROCESSOR
Company Confidential
Data Sheet
Version 3.A - Final
31-Jan-14
© 2014 Dialog Semiconductor GmbH
111 of 224
www.dialog-semiconductor.com
V3P3A_VSEL
000
001
010
011
100
101
110
111
2.970V
3.135V
3.300V
3.333V nominal voltage
3.340V
reserved
3.465V
3.630V
V3P3A_CTRL.
SUSPWRDNACK
V3P3A
V3P3A_SEL
V3P3A_EN
1
0
0
Off
1
1
0
On
x
x
1
Off
Table 72: V3P3A Truth Table
11.6.11.3 V3P3A Subsystems
V3P3U:
V3P3U is the voltage rail which is sourced by V3P3A and switched by an external P-channel FET. This voltage
rail is foreseen to supply mainly WIFI and BT. DA6021 provides a control signal V3P3_U_EN supplied by V3P3A
and
derived from SoC’s SLP_S4_B signal. The maximum current for this power rail is 700mA
Register Name
V3P3U_CTRL
Address
0x68
Page 1
Read/Write
Reset Value
0x02
MSB
LSB
R
R
R
R
R
R
R/W
R/W
Reserved
V3P3U
_SEL
V3P3U
_EN
V3P3U_EN
0
1
V3P3U off
V3P3U on
V3P3U_SEL
0
1
V3P3U controlled by SLP_S4_B according to sequencing
V3P3U controlled by V3P3U_CTRL.V3P3U_EN bit
Regardless of V3P3U_EN and V3P3U_SEL, V3P3U_EN_B is high
when SLP_S4_B is asserted, means low
V3P3U_CTRL.
SLP_S4_B
V3P3U_EN_B
V3P3U_SEL
V3P3U_EN
1
0
1
High
1
1
1
Low
x
x
0
High
Table 73: V3P3U_EN_B Truth Table
V3P3U external P-channel power switch parameters:
Rdson (Vgs=3.3V)
35-62.5mohm
Input capacitance, Ciss
750-2000pF
Output capacitance, Coss
150-530pF
Reverse transfer capacitance, Crss
100-360pF



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