900844 Datasheet, PDF (6/118 Pages) Freescale Semiconductor, Inc – Integrated Power Management IC for Ultra-mobile and Embedded Applications

INTERNAL BLOCK DIAGRAM
Table 1. 900844 Pin Description
Node Name
Type
I/O Rating
# of
Balls
BGA Location
Pin Description
VOUTIMG28
MDPWR
- 3.6 V
1
AG15
VIMG28 output voltage node
VPNL33 - 3.3 V/100 mA Switch
PVIN3P3
MDPWR
- 3.6 V
1
VOUTPNL33
LOPWR
- 3.6 V
1
AJ9
AG9
Power supply input, shared by VPNL33 and VSDIO
VPNL33 output voltage node
VSDIO - 3.3 V/215 mA Switch OR 1.8 V/215 mA LDO
SDIOGT
FBSDIO
LOPWR
- 3.6 V
1
SGNL
- 3.6 V
1
AB12
AC13
Gate driver output for VSDIO pass FET
Feedback node when VSDIO is in Switch mode; Output
voltage node when VSDIO is in LDO mode.
Internal Supplies
VCORE
VCOREDIG
VCOREREF
LDOREFP8
LOPWR
- 3.6 V
1
LOPWR
- 1.5 V
1
LOPWR
- 3.6 V
1
LOPWR
- 3.6 V
1
B14
Internal supply output voltage node
J13
Internal supply output voltage node
C13
Internal band gap supply output voltage node
B6
Internal divided down band gap supply output voltage node
dedicated for LDOs
LDOREFP9
LOPWR
- 3.6 V
1
G13
Internal divided down band gap supply output voltage node
dedicated for LDOs
GNDCORE LOPWRGND -
-
1
H14
Ground for internal supplies
Input Power Path
VPWR
MDPWR
- 4.8 V
1
VBAT
LOPWR
- 4.8 V
1
GNDBAT
LOPWRGND -
-
1
VNTC
LOPWR
- 3.6 V
1
NTC
SGNL
I 3.6 V
1
ISNSBATP
SGNL
I 4.8 V
1
ISNSBATN
SGNL
I 4.8 V
1
PVINVIB
MDPWR
- 4.8 V
1
AB26
AC27
AA21
AE29
AC23
AD26
AF28
AG13
Input power node for PMIC
Battery voltage sensing input
Input supply ground
Bias voltage for NTC resistor stack
NTC connection node
Connect to VBAT
Connect to VBAT
Always connect to VPWR
Coin Cell Charger
COINCELL
LOPWR
- 3.6 V
1
AC29
Coin cell supply input, coin cell charger output
ADC + TS I/F
ADIN10
ADIN11
ADIN12
ADIN13
ADIN14
ADIN15
ADIN16
ADIN17
SGNL
SGNL
SGNL
SGNL
SGNL
SGNL
SGNL
SGNL
I 4.8 V
1
I 4.8 V
1
I 4.8 V
1
I 4.8 V
1
I 4.8 V
1
I 4.8 V
1
I 4.8 V
1
I 4.8 V
1
AH20
AB16
AJ19
AA17
AE17
AC17
AG17
AH18
ADC generic input 1, used as touchscreen input X1, TSX1
ADC generic input 2, used as touchscreen input X2, TSX2
ADC generic input 3, used as touchscreen input Y1, TSY1
ADC generic input 4, used as touchscreen input Y2, TSY2
ADC generic input 5
ADC generic input 6
ADC generic input 7
ADC generic input 8
900844
6
Analog Integrated Circuit Device Data
Freescale Semiconductor