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Maxim > Solutions > Automotive: Body Computer
Primary Supply
Challenges: Needs to be tolerant to car battery voltage fluctuations and load-dump requirements.
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| Display |
Title / Parts |
Key Advantages |
| QV PDF |
30mA Inverting Charge Pump in SOT23 for EMI-Sensitive Automotive Applications
MAX16945
| Low-EMI, Automotive-Qualified Charge Pump in SOT23 Package that Operates at 105°C |
| QV PDF |
2A, 40V Step-Down DC-DC Converter with Dynamic Output-Voltage Programming
MAX15020
| Low-Cost, 7.5V to 40V Input, 2A, 500kHz Step-Down DC-DC Converter |
| QV PDF |
40V, 600mA Buck Converters with Low-Quiescent-Current Linear Regulator Mode
MAX5096, MAX5097
| 4V to 40V, 600mA Buck Converters with Low-Quiescent-Current Linear Regulator Mode |
| QV PDF |
45V, 400mA, Low-Quiescent-Current Linear Regulator with Adjustable Reset Delay
MAX5087
| 65V, 400mA, Low-Quiescent-Current Linear Regulator with Adjustable Reset Delay |
| Key Specifications:
Charge Pumps |
| Part Number |
Topology |
VIN (min) (V) |
VIN (max) (V) |
Operating Current, ICC (max) (mA) |
Unadjusted VOUT (V) |
IOUT (typ) (A) |
Operating Frequency (kHz) |
Features |
Package |
Smallest Available Package (max w/pins) (mm2) |
Operating Temp. Range (°C) |
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MAX16945
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Inverter
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1.4
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5.5
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1.7
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-2xVIN
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0.03
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125
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SOT/6
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9
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-55 to +125
-40 to +105
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| See All Charge Pumps (51) |
| Key Specifications:
Linear Regulators |
| Part Number |
Regulators per Pkg. |
Min. VIN (V) |
Max. VIN (V) |
Preset VOUT (V) |
Min. Adjustable VOUT (V) |
Max. Adjustable VOUT (V) |
Typ. VDROPOUT@ Rated ILOAD (V) |
Rated ILOAD (mA) |
Max. ICC (µA) |
Low Battery/ Power Fail Output |
Nominal POK/Reset Threshold (V) |
Watchdog |
Reverse Battery Protection |
Package |
Smallest Available Package (max w/pins) (mm2) |
Operating Temp. Range (°C) |
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MAX5087
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1
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6.5
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45
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3.3
5.0
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2.5
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11
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0.9
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400
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150
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No
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Vout-8%
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No
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No
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TQFN/16
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26
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-40 to +125
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| See All Linear Regulators (145) |
| Key Specifications:
Step-Down Switching Regulators |
| Part Number |
VIN (min) (V) |
VIN (max) (V) |
Min. VOUT (V) |
Max. VOUT (V) |
Preset VOUT (V) |
IOUT (A) |
IOUT (A) |
Output Adj. Method |
Operating Current, ICC (max) (mA) |
Number of DC-DC Outputs |
Operating Freq. (kHz) |
Package |
Smallest Available Package (max w/pins) (mm2) |
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MAX15020
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7.5
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40
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0.5
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36
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-
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2
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2
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Dyn. REF In
Resistor
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2.8
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1
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500
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TQFN/20
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26
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MAX5096
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4
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40
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1.25
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11
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3.3
5.0
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0.6
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0.6
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Preset
Resistor
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0.07
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1
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135
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TQFN/16
TSSOP-EP/20
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26
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MAX5097
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4
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40
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1.25
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11
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3.3
5.0
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0.6
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0.6
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Preset
Resistor
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0.07
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1
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330
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TQFN/16
TSSOP-EP/20
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26
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| See All Step-Down Switching Regulators (252) |
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