E981.10A52KC ELMOS Semiconductor, E981.10A52KC Datasheet - Page 14

• Manufacturer Part Number: E981.10A52KC
• Description: Interface - Specialized Basic I/O Link Transciever
• Manufacturer: ELMOS Semiconductor

Specifications of E981.10A52KC

• Rohs: yes
• Product Type: Basic I/O Link Transceiver
• Operating Supply Voltage: 3.3 V
• Supply Current: 1.5 mA
• Maximum Power Dissipation: 900 mW
• Maximum Operating Temperature: + 100 C
• Mounting Style: SMD/SMT
• Package / Case: QFN-20
• Minimum Operating Temperature: - 40 C

Figure 5: Overcurrent and wake up functionality
ELMOS Semiconductor AG
Wakeup- and Ilim-
TXEN = Low : Reset of the digital part
Flowchart only valid for TXEN = High
Loop
until
Condition 1:
- edge at TXD
Condition 2:
- Overcurrent in LS or HS
driver
or
- Bus Level does not fit to
TXD
Enable current limitation
Overcurrent debounce 40 µs
Wakeup state
- Pin ILIM=High
- Pin WAKE = high
- C/Q driver shut off (HighZ )
Loop
until TXEN= LOW
functionality
Condtion 2 :
overcurrent
event
Condtion 1:
edge at TXD
overcurrent
condition
No
overcurrent
condition
Data Sheet
14/19
No
Start
- Edge TXEN Low to High
or
- Edge at TXD and
TXEN=high
and
- no wakeup event
- No recognition of
overcurrent event for 20us
(mask overcurrent events)
- disable current limitation
Recognition of Overcurrent
Overcurrent in C /Q driver ?
- Overcurrent in LS or HS
driver
or
- Bus Level does not fit to
TXD
Enable current limitation
waiting 10 µs
Overcurrent state
- Pin ILIM=High
- C/ Q driver shut off (HighZ)
Waiting in Off - State
- waiting 50µs to 800µs
(depends from voltage level
VDDH)
- Pin ILIM = Low
- C/ Q driver on
QM-No.: 25DS0007E.02 2010-06-16
Yes
E981.10