TPS650331-Q1数据手册TI中文资料规格书

描述 Description

The TPS650331-Q1 device is a highly integrated power management IC for automotive camera modules. This device combines three step-down converters and one low-dropout (LDO) regulator. The BUCK1 step-down converter has an input voltage range up to 18.3 V for connections to power over coax (PoC). All converters operate in a forced fixed-frequency PWM mode. The LDO can supply 300 mA and operate with an input voltage range from 2.5 V to 5.5 V. The step-down converters and the LDO have separate voltage inputs that enable maximum design and sequencing flexibility.

The TPS650331-Q1 is available in a 24-pin VQFN package (4.00 mm × 4.00 mm).

特性 Features

• Qualified for automotive applications
• Systematic capability of up to ASIL D and SIL 3 targeted
• Hardware integrity up to ASIL B and SIL 2 targeted
• Advanced diagnostics and protection
• Integrated voltage monitors
• I 2C interface for control and diagnostics

• AEC-Q100 grade 1 qualified
• -40°C to +125°C ambient operating temperature range

• Three step-down converters:
• BUCK1 V IN range from 4.0 V to 18.3 V
• BUCK1 V OUT range from 2.5 V to 4.0 V
• BUCK1 output current up to 1500-mA
• BUCK2 and BUCK3 V IN range from 2.5 V to 5.5 V
• BUCK2 and BUCK3 V OUT range from 0.9 V to 1.9 V
• BUCK2 and BUCK3 output current up to 1200-mA
• Spread-spectrum clock (SSC) generation for reduced EMI
• 2.3-MHz forced fixed switching frequency PWM operation

• One low dropout (LDO) regulator:
• V IN range from 2.5 V to 5.5 V
• V OUT range from 1.8 V to 3.3 V
• Low noise and high PSRR
• Adjustable output voltage through I 2C
• Up to 300-mA output current

• 4.0-mm × 4.0-mm 24-pin VQFN with wettable flanks