QT1080 Ver la hoja de datos (PDF) - Quantum Research Group
Número de pieza
componentes Descripción
Fabricante
QT1080 Datasheet PDF : 14 Pages
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Figure 1.2 Connection Diagram - Simplified Mode; Shown for 32-QFN
SMR resistor installed between SNS6K and SNS7.
Vunreg
*4.7uF
+2.8 ~ +5V
Voltage Reg
*4.7uF
VDD
*100nF
*Note: One bypass cap to be tightly wired
between Vdd and Vss. Follow manufacturer’s
recommendations for input and output capacitors.
KEY 3
KEY 4
KEY 5
KEY 6
KEY 7
RSNS3 4.7nF
10K
RSNS4 4.7nF
10K
RSNS5 4.7nF
10K
RSNS6 4.7nF
10K
RSNS7 4.7nF
10K
RS3
CS3
2.2K
RS4
CS4
2.2K
RS5
CS5
2.2K
RS6
CS6
2.2K
RS7
SMR
CS7
2.2K
3
2
VDD /RST
12 SNS3
SNS2K 11
13 SNS3K
14 SNS4
15 SNS4K
SNS2 10
SNS1K 9
SNS1 8
16 SNS5
SNS0K 7
17 SNS5K
SNS0 6
18 SNS6
19 SNS6K
1M 20 SNS7
21 SNS7K
OSC 4
QT1080
32-QFN
1M
AKS_0
Vdd / Vss
VDD
RS2
2.2K
RS1
2.2K
RS0
2.2K
4.7nF
RSNS2
CS2
4.7nF
10K
RSNS1
CS1
4.7nF
10K
RSNS0
10K
CS0
KEY 2
KEY 1
KEY 0
Rb1
Recommended Rb1, Rb2 Values
Vdd Range Rb1 Rb2
2.8 ~ 3.59V 12K 22K
Rb2
3.6 ~ 5V 15K 27K
LP IN
DETECT OUT
22
VSS
23
SYNC/LP
24 DETECT
SS 1
OUT_7 32
OUT_6 31
OUT_5 30
OUT_4 29
OUT_3 28
OUT_2 27
OUT_1 26
OUT_0 25
100nF
OUT_7
OUT_6
OUT_5
OUT_4
OUT_3
OUT_2
OUT_1
OUT_0
Table 1.6
AKS Resistor Options
AKS_0
Vss
Vdd
AKS MODE
Off
On, global
FAST-DETECT
Enabled
Off
Table 1.7
Functions in Simplified Mode
Output Drive, Polarity
SYNC/LP pin
Max on-duration delay
Detect Pin
Direct outputs, push-pull, active high
200ms nom LP function; sync not available
60 seconds (nom)
Active high on any detect
lQ
5
QT1080 R11.03/0905
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