TPS650002-Q1 Texas instruments

TPS650002-Q1

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TPS650002-Q1

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Описание

The TPS650002-Q1 device is a single-chip power-management IC (PMIC) for automotive applications. This device combines a single step-down converter with two low-dropout regulators. The step-down converter enters a low-power mode at light load for maximum efficiency across the widest possible range of load currents. For low-noise applications, the device can be forced into fixed-frequency PWM using the MODE pin. The step-down converter allows the use of a small inductor and capacitors to achieve a small solution size. A power-good status output can be used for sequencing. The LDOs can supply 300 mA, and can operate with an input voltage range from 1.6 V to 6 V, thus allowing them to be supplied from the step-down converter. The step-down converter and the LDOs have separate voltage inputs and enables, thus allowing for design and sequencing flexibility. The TPS650002-Q1 device is available in a 16-pin leadless package (3-mm × 3-mm WQFN).

Qualified for automotive applications
AEC-Q100 qualified with the following results:
- Device temperature grade 2: –40°C to +105°C, T_A
Step-down converters:
- V_IN range from 2.3 V to 6 V
- 2.25-MHz Fixed-frequency operation
- 600-mA Output current
LDOs:
- V_IN Range From 1.6 V to 6 V
- Up to 300-mA output current
- Separate power inputs and enables
3-mm × 3-mm 16-Pin WQFN

Regulated outputs (#)	3
Vin (min) (V)	2.3
Vin (max) (V)	6
Iout (max) (A)	0.6
Rating	Automotive
Step-down DC/DC converter	1
Step-up DC/DC controller	0
LDO	2
Iq (typ) (mA)	0.073
Switching frequency (max) (kHz)	2410
Features	Enable pin, Power good, Spread-Spectrum Clock (SSC) Generation
Operating temperature range (°C)	-40 to 105
Shutdown current (ISD) (typ) (µA)	0.16
Switching frequency (typ) (kHz)	2250
Configurability	Factory programmable