User Guide

PAMS Technical Documentation 3 - Audio System
NPL-1
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System connector pin assignment
Pin Name Min Typ Max Unit Notes
1 VIN
0
0
8.5
850
V
mA
Unloaded Fast Charger
Supply current
0
16.9
1.0
Vpeak
Apeak
Unloaded Standard Charger
Supply current
2 L-GND 0 0 0 V Supply ground DC Jack
3 VIN
0
0
8.5
850
V
mA
Unloaded Fast Charger DC Jack
Supply current
4 CHRG_
CTRL
0
1.7
0.8
2.9
V
Charger control (PWM) dig. Low DC Jack
Charger control (PWM) dig. High
1 32 37 Hz PWM frequency for a fast charger
1 99 % PWM duty cycle
5 CHRG_
CTRL
0
1.7
0.8
2.9
V
Charger control (PWM) dig. Low Bottom
charger contacts
Charger control (PWM) dig. High
1 32 37 Hz PWM frequency for a fast charger
1 99 % PWM duty cycle
6 MICP 0 2 100 mV Connected to UEM MIC1P input. (re.
SGND)
7 MICN 0 2 100 mV Connected to UEM MIC1N input. (re.
SGND)
Rubber boot
Microphone
Solderable element,
2 pcs
Cable/Cradle connector
guiding/fixing hole, 3 pcs
Contact 1
DC-jack
2,3,4
Contact 5
Contact 14
Contacts
8...13
Microphone port
3
2
4
8
13
14
Figure 17. System connector – mechanical outline