英飞凌TLE94110ES半桥驱动器：高效保护与应用实例

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TLE94110ES是英飞凌（INFINEON）推出的一款专为汽车电动系统设计的高性能半桥驱动器芯片。这款芯片具备以下关键特性： 1. **十通道半桥功率输出**：TLE94110ES支持十个独立的半桥驱动，这使得它非常适合需要大量控制通道的复杂应用，如HVAC（Heating, Ventilation, and Air Conditioning）系统的风门电机控制。 2. **极低功耗睡眠模式**：为了延长电池寿命，该芯片在待机状态下具有非常低的功耗特性，有助于节省能源并在休眠期间保持系统高效运行。 3. **3.3V/5V兼容输入**：TLE94110ES支持多种电源电压，具有输入电压选择的灵活性，同时集成有输入电压检测功能，确保电路稳定。 4. **过载和短路保护**：每个输出通道都配备了内置保护机制，能够防止因过载或短路造成的损害，提高了系统安全性。 5. **独立诊断能力**：该芯片具有独立的输出故障诊断功能，可以检测过电流和开路负载问题，并在ON状态下对高侧和低侧输出进行开路诊断，提供详细故障信息。 6. **可调阈值的开路负载诊断**：用户可以根据需求设置HS1和HS2通道的开路负载阈值，实现更精确的保护。 7. **16位标准SPI接口**：TLE94110ES支持16位的串行外围设备接口（SPI），允许多设备串联工作，并具备帧内响应能力，便于远程控制和诊断操作。 8. **快速诊断**：通过全局错误标志，该芯片能够迅速识别并报告潜在的系统问题，提高故障响应速度。 9. **PWM功能**：芯片支持PWM（Pulse Width Modulation）输出，可用于80Hz、100Hz和200Hz频率下，具有8位占空比分辨率，适用于精确的脉冲控制。 10. **温度监控与保护**：芯片内置过温预警和保护机制，确保在高温环境下也能维持稳定的工作性能，延长元器件寿命。 11. **电压锁定保护**：针对电压异常情况，TLE94110ES提供了过压和欠压保护，有效防止电压波动带来的损坏。 12. **交叉电流防护**：该特性能防止不同输出之间的电流相互干扰，确保各部分组件的安全运行。这款芯片的应用场景广泛，包括但不限于HVAC系统的风门电机控制、单稳态和双稳态继电器控制、侧镜和后视镜的X-Y调整以及镜子折叠等，同时在LED驱动和电动设备控制方面也表现出色。综合来看，TLE94110ES凭借其卓越的性能和丰富的保护特性，是现代汽车电子系统中不可或缺的组件。

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Data Sheet 13 1.0

2020-09-29

TLE94110ES

General Product Characteristics

3.4 Electrical Characteristics

Table 5 Electrical Characteristics, V

=5.5 V to 18 V, V

= 3.0V to 5.5V, T

= -40°C to +150°C, EN= HIGH,

OUTn

= 0 A; Typical values refer to V

= 5.0 V, V

= 13.5 V and T

= 25 °C unless otherwise

specified; all voltages with respect to ground, positive current flowing into pin (unless

otherwise specified)

Parameter Symbol Values Unit Note or

Test Condition

Number

Min. Typ. Max.

Current Consumption, EN = GND

Supply Quiescent current I

– 0.5 2 µA -40°C ≤ T

≤ 85°C P_4.4.1

Logic supply quiescent current I

DD_Q

– 0.1 1 µA -40°C ≤ T

≤ 85°C P_4.4.2

Total quiescent current I

DD_Q

– 0.6 3 µA -40°C ≤ T

≤ 85°C P_4.4.3

Current Consumption, EN=HIGH

Supply current I

– 0.5 1 mA Power drivers and

power stages are

off

P_4.4.4

Supply current I

S_HSON

– 4.5 9 mA All high-sides ON

P_4.4.101

Logic supply current I

–1.53mASPI not active P_4.4.5

Logic supply current I

DD_RUN

–5–mASPI 5MHz

P_4.4.6

Total supply current I

DD_RUN

–5.5–mASPI 5MHz

P_4.4.7

Over- and Undervoltage Lockout

Undervoltage Switch ON

voltage threshold

UV ON

4.25 – 5.25 V V

increasing P_4.4.8

Undervoltage Switch OFF

voltage threshold

UV OFF

4–5.0VV

decreasing P_4.4.9

Undervoltage Switch ON/OFF

hysteresis

UV HY

–0.25–VV

UV ON

- V

UV OFF

P_4.4.10

Overvoltage Switch OFF voltage

threshold

OV OFF

21 – 25 V V

increasing P_4.4.11

Overvoltage Switch ON voltage

threshold

OV ON

20 – 24 V V

decreasing P_4.4.12

Overvoltage Switch ON/OFF

hysteresis

OV HY

–1–VV

OV OFF

- V

OV ON

P_4.4.13

Power-On-Reset V

DD POR

2.40 2.70 2.90 V V

increasing P_4.4.14

Power-Off-Reset V

DD POffR

2.35 2.65 2.85 V V

decreasing P_4.4.15

Power ON/OFF hysteresis V

DD POR HY

–0.05–VV

DD POR

- V

DD POffR

P_4.4.98

Static Drain-source ON-Resistance (High-Side or Low-Side)

High-Side or Low-Side R

DSON

(all outputs)

DSON_HB_25C

– 850 1200 mΩ I

OUT

= ±0.5 A;

= 25 °C

P_4.4.16

High-Side or Low-Side R

DSON

(all outputs)

DSON_HB_150

– 1400 1800 mΩ I

OUT

= ±0.5 A;

= 150 °C

P_4.4.17

Data Sheet 14 1.0

2020-09-29

TLE94110ES

General Product Characteristics

High-Side R

DSON

(HS1 and HS2 in LED mode)

DSON_HI_HB_

25C

– 950 1300 mΩ

OUT

= -0.1 A;

= 25 °C

P_4.4.18

High-Side R

DSON

(HS1 and HS2 in LED mode)

DSON_HI_HB_

150C

– 1500 2000 mΩ

OUT

= -0.1 A;

= 150 °C

P_4.4.19

Output Protection and Diagnosis of high-side (HS) channels of half-bridge output

HS Overcurrent Shutdown

Threshold

SD_HS

-1.4 -1.1 -0.9 A See Figure 7 P_4.4.89

Difference between shutdown

and limit current

LIM_HS

SD_HS

-1.2 -0.6 0 A

LIM_HS

| ≥ |I

SD_HS|

See Figure 7

P_4.4.21

Overcurrent Shutdown filter

time

dSD_HS

15 19 23 µs

P_4.4.22

Open Load Detection Current I

OLD1_HS

-15 -8 -3 mA - P_4.4.23

Open Load Detection filter time t

OLD1_HS

2000 3000 4000 µs

P_4.4.24

Open Load Detection Current

for LED mode

(HS1 & HS2)

OLD2_HS1,2

-3.2 -2 -0.5 mA Bit OL_SEL_HS1 =

1, OL_SEL_HS2 = 1

P_4.4.25

Open Load Detection filter time

for LED mode

(HS1 & HS2)

OLD2_HS1,2

100 200 300 µs Bit OL_SEL_HS1 =

1, OL_SEL_HS2 = 1;

P_4.4.26

Output Protection and Diagnosis of low-side (LS) channels of half-bridge output

LS Overcurrent Shutdown

Threshold

SD_LS

0.9 1.1 1.4 A Figure 8 P_4.4.104

Difference between shutdown

and limit current

LIM_LS

SD_LS

00.61.2A

LIM_LS

≥ I

SD_LS

Figure 8

P_4.4.28

Overcurrent Shutdown filter

time

dSD_LS

15 19 23 µs

P_4.4.29

Open Load Detection Current I

OLD_LS

3815mA- P_4.4.30

Open Load Detection filter time t

OLD_LS

2000 3000 4000 µs

P_4.4.31

Outputs OUT(1...n) leakage current

HS leakage current in off state I

QLHn_NOR

-2 -0.5 – µA V

OUTn

= 0V ; EN=High P_4.4.32

HS leakage current in off state I

QLHn_SLE

-2 -0.5 – µA V

OUTn

= 0V; EN=GND P_4.4.33

LS Leakage current in off state I

QLLn_NOR

–0.52µAV

OUTn

= V

; EN=High P_4.4.34

LS Leakage current in off state I

QLLn_SLE

–0.52µAV

OUTn

= V

; EN=GND P_4.4.35

Output Switching Times. See Figure 9 and Figure 10.

Slew rate of high-side and low-

side outputs

VOUT

/ dt 0.1 0.45 0.75 V/µs Resistive load =

100Ω; V

=13.5V

P_4.4.36

Table 5 Electrical Characteristics, V

=5.5 V to 18 V, V

= 3.0V to 5.5V, T

= -40°C to +150°C, EN= HIGH,

OUTn

= 0 A; Typical values refer to V

= 5.0 V, V

= 13.5 V and T

= 25 °C unless otherwise

specified; all voltages with respect to ground, positive current flowing into pin (unless

otherwise specified) (cont’d)

Parameter Symbol Values Unit Note or

Test Condition

Number

Min. Typ. Max.

Data Sheet 15 1.0

2020-09-29

TLE94110ES

General Product Characteristics

Output delay time high side

driver on

dONH

52035µsResistive load =

100Ω to GND

P_4.4.37

Output delay time high side

driver off

dOFFH

15 45 75 µs Resistive load =

100Ω to GND

P_4.4.38

Output delay time low side

driver on

dONL

52035µsResistive load =

100Ω to VS

P_4.4.39

Output delay time low side

driver off

dOFFL

15 45 75 µs Resistive load =

100Ω to VS

P_4.4.40

Cross current protection time,

high to low

DHL

100 130 160 µs Resistive load =

100Ω

P_4.4.41

Cross current protection time,

low to high

DLH

100 130 160 µs Resistive load =

100Ω

P_4.4.42

Input Interface: Logic Input EN

High-input voltage V

ENH

0.7 *

–– V – P_4.4.43

Low-input voltage V

ENL

– – 0.3 *

V– P_4.4.44

Hysteresis of input voltage V

ENHY

– 500 – mV

P_4.4.45

Pull down resistor R

PD_EN

20 40 70 kΩ V

= 0.2 x V

P_4.4.46

SPI frequency

Maximum SPI frequency f

SPI,max

––5.0MHz

P_4.4.47

SPI INTERFACE: Delay Time from EN rising edge to first Data in

Setup time t

set

– – 150 µs

See Figure 14 P_4.4.48

SPI INTERFACE: Input Interface, Logic Inputs SDI, SCLK, CSN

H-input voltage threshold V

0.7 *

–– V – P_4.4.50

L-input voltage threshold V

– – 0.3 *

V– P_4.4.51

Hysteresis of input voltage V

IHY

– 500 – mV

P_4.4.52

Pull up resistor at pin CSN R

PU_CSN

30 50 80 kΩ V

CSN

= 0.7 x V

P_4.4.53

Pull down resistor at pin SDI,

SCLK

PD_SDI,

PD_SCLK

20 40 70 kΩ V

SDI

, V

SCLK

= 0.2 x V

P_4.4.54

Input capacitance at pin CSN,

SDI or SCLK

–1015pF0V < V

< 5.25V

P_4.4.55

Input Interface, Logic Output SDO

H-output voltage level V

SDOH

0.4

0.2

–VI

SDOH

= -1.6 mA P_4.4.56

Table 5 Electrical Characteristics, V

=5.5 V to 18 V, V

= 3.0V to 5.5V, T

= -40°C to +150°C, EN= HIGH,

OUTn

= 0 A; Typical values refer to V

= 5.0 V, V

= 13.5 V and T

= 25 °C unless otherwise

specified; all voltages with respect to ground, positive current flowing into pin (unless

otherwise specified) (cont’d)

Parameter Symbol Values Unit Note or

Test Condition

Number

Min. Typ. Max.

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