MX877R IXYS, MX877R Datasheet - Page 63

• Manufacturer Part Number: MX877R
• Description: IC DVR RELAY/LOAD 8CH 60V 28-QFN
• Manufacturer: IXYS

Specifications of MX877R

• Input Type: Parallel/Serial
• Number Of Outputs: 8
• Current - Output / Channel: 80mA
• Voltage - Supply: 6 V ~ 60 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• On-state Resistance: -
• Current - Peak Output: -

MX881
Xenon Flash Controller & LED Torch Driver
Features
• Highly Integrated Solution that includes:
• Small Size (3mm x 5mm DFN-16)
• High Efficiency
• 3.0 to 5.5 Volt Battery Operation
• 1.65 to 5.5 Volt Digital Interface Operation
• Low Shut Down Current: 0.1µA
• SPI and I
• Programmable Average Battery Current: (50mA – 220mA)
• Programmable Output Voltage: (300V - 330V)
Applications
• Camera Cell Phones, Digital Still Cameras, and Optical
Ordering Information
Typical Application
Part No.
MX881R
MX881RTR
- Optimized Flyback Boost Converter Controller, IGBT
Film Cameras
CHA RGE
SPI / I2C
Driver, 100mA LED Torch Driver, and Transformer Drive
Transistor
LED _EN
FLASH
DONE
D VCC
X 4
VCC
2
C Bus Compatibility
Interface to
DVC C
SPI / I2C
set V
& I
GND
VCC
Cycle Logic
AVE
CONTROLLER / DRIVER
OUT
Boost Control
Charge
Description
3mm X 5mm DFN-16
DFN-16 Tape & Reel
Logic
MX881
I
SET
V
OUT
I
PEAK
SW
Bandgap
DRIVER
IGBT
T1
1:10 min.
L
SEC
2000
Qty
73
REF
VFB
LED
IGBTGATE
500V Total
Switching
Diodes
General Description
The MX881 offers a highly integrated Xenon Flash controller,
providing an ideal solution for small form factor flash and torch
lighting applications. The MX881 integrates a user
programmable Controller, IGBT Driver, 100mA LED Torch
Driver, and Transformer Drive Transistor to significantly reduce
component count, solution size, and design complexity.
The Boost Control Logic manages the peak primary current and
off time to optimize charge time and control average battery
current.
The Charge Cycle Control starts the charge cycle on a low to
high transition of the CHARGE input. Then detects when the
output voltage has reached the desired voltage and stops the
Boost Control Logic, while asserting the DONE output signal.
The SPI/I
average battery currents and 4 programmable high voltage
output levels for the flash function.
IXYS
IGBT
2
C serial interface adds the flexibility of 6 programmable
VHV
CAPACITOR
TRIGGER
+
22 uF
V
BATT
FLASH
TU BE
41