SMM151 View Datasheet(PDF) - Summit Microelectronics
Part Name
Description
MFG CO.
'SMM151' PDF : 23 Pages View PDF
INTERNAL BLOCK DIAGRAM
VREF
READY
FAULT#
SMM151/152
Preliminary Datasheet
VDD
VDD_CAP
GND
VREF
VREF = 1.25V
50kΩ
Output
Control
Glitch
Filter
OV/UV
0.5V/1.25V
COM P1
OV/UV
COM P2
M UP
M DN
Margin
Target
50kΩ
Up/Dn
Digital
Comparator
Halt
Control
Logic
8-bit DAC
SW1
Clock
TRIM
A0
A1
A2
I2C
SCL
Interface
SDA
WP
GPIO0
GPIO1
GPIO2
GPIO3
Control
Logic
SMM152
10Bit
ADC
25kΩ 25kΩ
EE
Configuration
Registers
& Memory
250kΩ
MUX
SW2
DIFF
AMP
CAPM +
CAPM -
VM+
VM-
CAPC
CS+
CS-
Figure 2 – SMM151 and SMM152 Controller Internal Block Diagram.
PACKAGE AND PIN DESCRIPTION
28-Pad 5x5 QFN
Top View
() applies on SMM152
Pin 1
SCL 1
A2 2
(GPIO0) 3
A1 4
READY 5
A0 6
GND 7
28 27 26 25 24 23 22
SMGMND150
21 VDD
20 TRIM
19 COMP1
18 CS+
17 CS-
16 CAPC
15 VM-
8 9 10 11 12 13 14
Summit Microelectronics, Inc
2131 2.1 8/15/2008
3
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