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DA6021 Datasheet(PDF) 127 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) 127 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
127 of 224
www.dialog-semiconductor.com
Table 91: BATID Comparator Threshold
The second method detecting a battery removal is while monitoring the battery voltage itself via a battery voltage
comparator. The table below specifies the thresholds of the battery removal comparator.
Parameter
Description
Min
Typ
Max
Unit
Val
V’BATRMREFH
VBAT Rising Threshold ( L->H,
indicating battery insertion)
2.075
2.1
2.125
V
A
V’BATRMREFL
VBAT Falling Threshold ( H->L,
indicating battery removal)
1.975
2.0
2.025
V
A
tDEBOUNCE
Battey Voltage Comparator
Debouncing Time (Insertion and
removal)
90
100
110
ms
A
Table 92: VBAT Removal Comparator Threshold
Battery Pack Interface
14.2.2
The BATID pin supports three possible functions: digital battery communication, analog measurement of an ID
resistance, and/or analog battery presence detection.
This digital communication is intended to be left generic, with simple pass through level shifters to/from the host
on 2 discrete pins, one to the SOC and one from the SOC. The intent is to be protocol agnostic to provide
support for many standards. The figure below illustrates the multiple uses of BATID.
Figure 61: Battery Single Wire Block Diagram for Analog sensing, Digital communication
Parameter
Min
Nom
Max
Units
Notes
Val
Frequency
3.268
250
kHz
Digital
communication
D, E
Voltage
1.71
1.8
1.89
V
-
Vil
0.35
V
A
Vih
0.9
V
A
Vhys
0.05
V
D,E



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