Product Info

LM746 Bluetooth® Dual Mode Audio Module
Standalone (With Embedded Bluetooth® 5 Compliant Stack)
General Electrical Specification
Regulator Enable
1.8V Switch-mode Regulator
Absolute Maximum Ratings
Storage Temperature
Supply Voltage (VCHG)
Supply Voltage (VBAT)
Supply Voltage (VBAT_SENSE)
Supply Voltage (VREG_ENABLE)
Supply Voltage (LED [2:0] )
Supply Voltage (PIO_POWER)
VREG_ENABLE, Switching Threshhold
Rising Threshold
Min
1.0
Typ
-
Max
-
Unit
V
1.8V Switch-mode Regulator
Input Voltage (VBAT)
Output Voltage (1V8_SMPS)
Normal Operation
Transient setting time
Load current
Current available for external use, stereo audio with 16Ω load (a)
Peak conversion eciency
Switching frequency
Low Power Mode, automatically entered in Deep Sleep
Transient setting time
Load current
Current available for external use
Peak conversion eciency
Switching frequency
Min
2.80
1.70
-
-
-
-
3.63
-
0.005
-
-
100
Typ
3.70
1.80
30
-
-
90
4.00
200
-
-
85
-
Max
4.25
1.90
-
185
25
-
4.00
-
5
5
-
200
Unit
V
V
μs
mA
mA
%
MHz
μs
mA
mA
%
kHz
Min
-40° C
-0.4V
-0.4V
-0.4V
-0.4V
-0.4V
-0.4V
Max
+85° C
5.75V
4.4V
5.75V
4.4V
4.4V
3.6V
Recommended Operating Condition
Operating Temperature Range
Supply Voltage (VCHG)
Supply Voltage (VBAT)
Supply Voltage (VBAT_SENSE)
Supply Voltage (VREG_ENABLE)
Supply Voltage (LED [2:0] )
Supply Voltage (PIO_POWER)
Min
-20° C
4.75V / 3.10V
2.5V
0V
0V
1.10V
1.7V
Max
+75° C
5.75V
4.25V
4.25V
4.25V
4.25V
3.6V
(a) = More current available for audio loads above 16Ω
Part No
Product
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LM746
LM746
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