ATAVRSB202 Atmel, ATAVRSB202 Datasheet - Page 129
ATAVRSB202
Manufacturer Part Number
ATAVRSB202
Description
KIT BATT MGMT FOR ATMEGA32HVB
Manufacturer
Atmel
Specifications of ATAVRSB202
Main Purpose
*
Embedded
*
Utilized Ic / Part
*
Primary Attributes
*
Secondary Attributes
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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22. Charger Detect
22.1
22.2
8042B–AVR–06/10
Features
Overview
•
•
•
•
•
The Charger Detect module has two main functions:
• Control the device operating state (Power-off or normal operation)
• Detect when a charger is connected/disconnected
Figure 22-1
Figure 22-1. Charger Detect block diagram.
Operates directly from VFET supply
Detects when a charger is connected or disconnected by monitoring the BATT pin
Controls the operation state of the device by automatically enable/disable the internal Voltage
Regulator
Automatically disabled when Discharge FET is ON.
Interrupt wake-up from all sleep modes
shows a block diagram of the Charger Detect module.
(power-off)
DFET_EN
SLEEP
BLOD
w/Power-on Reset
Charger Detect
Charger Detect
Interrupt Logic
8-BIT DATABUS
VFET
CHARGER_PRESENT
ATmega16HVB/32HVB
BATT
POWER_OFF
POR
IRQ
+
-
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