MAX6964AEG-T Maxim Integrated Products, MAX6964AEG-T Datasheet - Page 17

• Manufacturer Part Number: MAX6964AEG-T
• Description: LED Drivers LED Driver with PWM Intensity Control, 5
• Manufacturer: Maxim Integrated Products

Specifications of MAX6964AEG-T

• Number Of Segments: 12
• Low Level Output Current: 50000 uA
• Operating Supply Voltage: 2 V to 3.6 V
• Maximum Supply Current: 110.2 uA
• Maximum Power Dissipation: 761 mW
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Package / Case: QSOP-24
• Minimum Operating Temperature: - 40 C

Table 10. PWM Intensity Settings (Blink Enabled)
The MAX6964 operates with a power-supply voltage of
2V to 3.6V. Bypass the power supply to GND with at
least 0.047µF as close to the device as possible. For
the QFN version, connect the underside exposed pad
to GND.
INTENSITY
GLOBAL)
SETTING
OUTPUT
(OR
0xC
0xD
0x0
0x1
0x2
0x3
0x4
0x5
0x6
0x7
0x8
0x9
0xA
0xB
0xE
0xF
Intensity Control and Hot-Insertion Protection
Static low
PWM DUTY CYCLE
REGISTER BIT = 0
10/16
11/16
12/16
13/16
14/16
15/16
LOW
TIME
1/16
2/16
3/16
4/16
5/16
6/16
7/16
8/16
9/16
OUTPUT BLINK
Power-Supply Considerations
______________________________________________________________________________________
PHASE X
Static low
HIGH
15/16
14/16
13/16
12/16
11/16
10/16
TIME
9/16
8/16
7/16
6/16
5/16
4/16
3/16
2/16
1/16
impedance
Static high
PWM DUTY CYCLE
15/16
14/16
13/16
12/16
11/16
10/16
LOW
TIME
9/16
8/16
7/16
6/16
5/16
4/16
3/16
2/16
1/16
OUTPUT BLINK
REGISTER = 1
PHASE X
17-Output LED Driver/GPO with
impedance
Static high
HIGH
10/16
11/16
12/16
13/16
14/16
15/16
TIME
1/16
2/16
3/16
4/16
5/16
6/16
7/16
8/16
9/16
P hase 0: LE D on at hi g h i ntensi ty
P hase 1: LE D on at hi g h i ntensi ty
P hase 1: LE D on at l ow i ntensi ty
Phase 0: LED on continuously
Phase 1: LED off continuously
P hase 0: LE D on at l ow i ntensi ty
REGISTER BIT = 0
REGISTER BIT = 1
BLINK PHASE 0
BLINK PHASE 1
Output is half intensity during both blink phases
EXAMPLES OF LED BLINK BEHAVIOR
(LED IS ON WHEN OUTPUT IS LOW)
P hase 0: LE D on at hi g h i ntensi ty
P hase 1: LE D on at l ow i ntensi ty
P hase 1: LE D on at hi g h i ntensi ty
P hase 0: LE D on at l ow i ntensi ty
Phase 0: LED off continuously
Phase 1: LED on continuously
REGISTER BIT = 1
REGISTER BIT = 0
BLINK PHASE 0
BLINK PHASE 1
17